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華工電氣與你分享黃色環(huán)氧板的技術(shù)參數(shù)

信息整理:admin 日期:2014-06-21 14:56:10
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一、黃色環(huán)氧板簡(jiǎn)介
  環(huán)氧樹脂是泛指分子中含有兩個(gè)或兩個(gè)以上環(huán)氧基團(tuán)的****高分子化合物,除個(gè)別外,它們的相對(duì)分子質(zhì)量都不高。環(huán)氧樹脂的分子結(jié)構(gòu)是以分子鏈中含有活潑的環(huán)氧基團(tuán)為其特征,環(huán)氧基團(tuán)可以位于分子鏈的末端、中間或成環(huán)狀結(jié)構(gòu)。由于分子結(jié)構(gòu)中含有活潑的環(huán)氧基團(tuán),使它們可與多種類型的固化劑發(fā)生交聯(lián)反應(yīng)而形成不溶、不熔的具有三向網(wǎng)狀結(jié)構(gòu)的高聚物。
黃色環(huán)氧板是由玻璃纖維布用環(huán)氧樹脂粘合而成加溫加壓制作,型號(hào)為3240,在中溫下機(jī)械性能高,在高溫下電氣性能穩(wěn)定。適用于機(jī)械、電器及電子用高絕緣結(jié)構(gòu)零部件,具有高的機(jī)械和介電性能較好的耐熱性和耐潮性。耐熱等級(jí)F級(jí)(155度)。


1、規(guī)格厚度:0.5~100mm 
2、常規(guī)規(guī)格:1000mm*2000mm
3、顏色:黃色
4、產(chǎn)地:國(guó)產(chǎn)
5、在高溫180℃的情況下受熱變形,一般不與其他金屬在一塊受熱,可能引起金屬板材變形。

二、黃色環(huán)氧板應(yīng)用特性
1、 形式多樣。各種樹脂、固化劑、改性劑體系幾乎可以適應(yīng)各種應(yīng)用對(duì)形式提出的要求,其范圍可以從極低的粘度到高熔點(diǎn)固體。
2、 固化方便。選用各種不同的固化劑,環(huán)氧樹脂體系幾乎可以在0~180℃溫度范圍內(nèi)固化。
3、 粘附力強(qiáng)。環(huán)氧樹脂分子鏈中固有的極性羥基和醚鍵的存在,使其對(duì)各種物質(zhì)具有很高的粘附力。環(huán)氧樹脂固化時(shí)的收縮性低,產(chǎn)生的內(nèi)應(yīng)力小,這也有助于提高粘附強(qiáng)度。
4、 收縮性低。環(huán)氧樹脂和所用的固化劑的反應(yīng)是通過(guò)直接加成反應(yīng)或樹脂分子中環(huán)氧基的開環(huán)聚合反應(yīng)來(lái)進(jìn)行的,沒(méi)有水或其它揮發(fā)性副產(chǎn)物放出。它們和不飽和聚酯樹脂、酚醛樹脂相比,在固化過(guò)程中顯示出很低的收縮性(小于2%)。
5、 力學(xué)性能。固化后的環(huán)氧樹脂體系具有優(yōu)良的力學(xué)性能。

三、黃色環(huán)氧板技術(shù)參數(shù)

1、外觀 表面應(yīng)平滑,無(wú)氣泡、皺紋和裂紋。
2、標(biāo)稱厚度及允許偏差見表1。
表1  mm

<**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"> <****> <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;" colspan="2">標(biāo)稱厚度 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">偏差 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">標(biāo)準(zhǔn)厚度 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">偏差 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">0.4 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.10 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">8.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.72 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">0.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.12 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">10.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.82 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">0.6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.13 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">12.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.94 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">0.8 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.16 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">14.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.02 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">1.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.18 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">16.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.12 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">1.2 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.20 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">20.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.30 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">1.6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.24 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">25.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.50 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">2.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.28 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">30.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.70 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:90.1pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">2.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.33 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">35.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±1.95 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">3.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.37 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">40.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.10 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">4.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.45 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">45.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.30 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">5.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.52 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">50.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.45 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">6.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±0.60 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">60.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.50 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:88.95pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:108.4pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">80.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:101.55pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">±2.80 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:407.3pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="4">注: 1 其他允許偏差可由供需雙方協(xié)商。 2 對(duì)于標(biāo)稱厚度不在所列的優(yōu)選厚度之一者,其允許偏差應(yīng)采用下一個(gè)較大的優(yōu)選厚度的偏差。


3、平直度見表2。表2 層壓板表面距直尺的大允許偏差mm

<**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"> <****> <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:124.5pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;" rowspan="2">厚度 (d) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:277.5pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;" colspan="2">直尺長(zhǎng)度 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:5cm;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1000 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:135pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">500 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:124.5pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">1.6≤d≤3 3<> 6<> 8< d <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:5cm;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">見注 10 8 6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:135pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">見注 2.5 2.0 1.5 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:401.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="3">>注:對(duì)標(biāo)稱厚度在1.6 mm≤d≤3 mm的允許偏差正在考慮之中


4、性能要求見表4。表4性能要求

<**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"> <****> <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;" colspan="2">序 號(hào) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">指 標(biāo) 名 稱 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">單 位 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">指 標(biāo) 值 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">說(shuō)明 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">1 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">垂直層向彎曲強(qiáng)度 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MPa <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥340 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">2 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">平行層向沖擊強(qiáng)度 (簡(jiǎn)支梁法) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">KJ/ <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥33 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" rowspan="2">兩者之一滿足本標(biāo)準(zhǔn)要求即可 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">3 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">平行層向沖擊強(qiáng)度 (懸臂梁法) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">kJ/ <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥34 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:37.6pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" colspan="2">4 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">垂直層向電氣強(qiáng)度 (90℃±2℃油中) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MV/m <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">見表5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">平行層向擊穿電壓 (90℃±2℃油中) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">kV <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥35 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">6a <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">介電常數(shù) (48Hz-62Hz以下) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤5.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" rowspan="2">兩者之一滿足本標(biāo)準(zhǔn)要求即可 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">6b <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">介電常數(shù) (1MHz以下) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤5.5 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">7 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">馬丁溫度縱向 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥200 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">8 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">熱穩(wěn)定性 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">200 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">9 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">耐油性變壓器油中4h <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">130 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">10 <**** ****="width:149.7pt;background-color:****ansparent;">拉伸強(qiáng)度縱向 橫向 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MPa <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥314 ≥216 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">11 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">粘合強(qiáng)度 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">N <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥5600 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">12 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">表面電阻率常態(tài)時(shí) 浸水后 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥1× ≥1× <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">13 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">體積電阻率常態(tài)時(shí) 浸水后 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">MΩ·m <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥1× ≥1× <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">14 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">平行層向絕緣電阻常態(tài)時(shí) 浸水后 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;"> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥1× ≥1× <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">15a <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">介質(zhì)損耗因數(shù) (48Hz-62Hz以下) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤0.04 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;" rowspan="2">兩者之一滿足本標(biāo)準(zhǔn)要求即可 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">15b <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">介質(zhì)損耗因數(shù) (1MHz以下) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤0.04 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">16 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">浸水后絕緣電阻 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">Ω <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≥5.0× <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">17 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">密度 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">g/ <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">(1.7-1.9) <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">- <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">  <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:36.45pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">18 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:149.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">吸水性 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:63.2pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">mg <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.7pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">見表6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:84.25pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">-


表5垂直層向電氣強(qiáng)度

<**** ****="width:715px;" cellspacing="0" cellpadding="0" border="1"> <****> <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">平均厚度 mm <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">電氣強(qiáng)度 MV/m <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">厚度 mm <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">電氣強(qiáng)度 MV/m <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.4 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥16.9 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥12.7 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥16.1 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.8 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥12.2 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥15.6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥11.8 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.7 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥15.2 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.2 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥11.4 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.8 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥14.8 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.4 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥11.1 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">0.9 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥14.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥10.9 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥14.2 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥10.8 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.2 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥13.7 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">2.8 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥10.5 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64.05pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">1.4 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥13.2 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:64pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">3.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:140.2pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">≥10.2


注:1 對(duì)90℃±2℃油中垂直層向電氣強(qiáng)度,可任選20s逐級(jí)升壓和1min耐壓試驗(yàn)要求中的一種。對(duì)符合二者之一要求的材料,應(yīng)視其90℃±2℃油中垂直層向電氣強(qiáng)度是符合本標(biāo)準(zhǔn)要求的。 2 如果測(cè)得的試樣厚度算術(shù)平均值是介于表中兩厚度之間,則其指標(biāo)值應(yīng)從內(nèi)插法求取。如果測(cè)得的厚度算術(shù)平均值小于0.4mm,則其電氣強(qiáng)度指標(biāo)值取≥16.9MV/m。如果標(biāo)稱厚度為3mm,并且測(cè)得的厚度算術(shù)平均值大于3mm時(shí),則其電氣強(qiáng)度的指標(biāo)值取≥10.2MV/m表6吸水性

<**** ****="margin:auto auto auto 1.15pt;width:656px;" cellspacing="0" cellpadding="0" border="1"> <****> <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">試樣厚度平均值 mm <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">吸水性 mg <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">試樣厚度平均值 mm <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:#cccccc;border-right-color:#ece9d8;">吸水性 mg <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">0.4 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤17 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤25 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">0.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤17 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤27 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">0.6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤17 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">8 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤31 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">0.8 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤18 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">10 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤34 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">1.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤18 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">12 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤38 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">1.2 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤18 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">14 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤41 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">1.6 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤19 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">16 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤46 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">2.0 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤20 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">20 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤52 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">2.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤21 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">25 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤61 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">3 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤22 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">單面加工至22.5 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤73 <****> <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:161.85pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">4 <**** ****="border-left-color:#ece9d8;border-bottom-color:#ece9d8;width:73.9pt;border-top-color:#ece9d8;background-color:****ansparent;border-right-color:#ece9d8;">≤23 <**** ****="width:73.9pt;background-color:****ansparent;"> 

注:1如果測(cè)得的試樣厚度算術(shù)平均值是介于表中兩厚度之間,則其指標(biāo)值應(yīng)從內(nèi)插法求得。2如果測(cè)得的厚度算術(shù)平均值小于0.4mm,則其指標(biāo)值取≤17mg。如果標(biāo)稱厚度為25mm并測(cè)得的厚度算術(shù)平均值大于25mm時(shí),則其指標(biāo)值取≤61mg。標(biāo)稱厚度大于25mm的板材,則應(yīng)從單面加工至22.5mm且加工面應(yīng)是比較光滑的。
  3240環(huán)氧板是由電工用無(wú)堿玻璃纖維布浸以環(huán)氧酚醛樹脂,經(jīng)烘焙、熱壓而成。
  3240環(huán)氧板具有較高的機(jī)械和介電性能,較好的耐熱性和耐潮性,并有良好的機(jī)械加工性,耐熱等級(jí)為B級(jí)。
  3240環(huán)氧板適用于電機(jī)、電器設(shè)備中作為絕緣結(jié)構(gòu)零部件,并可在潮溫環(huán)境和變壓器油中使用。
  324環(huán)氧板以較高的機(jī)械性能和電氣性能,廣泛應(yīng)用在發(fā)電機(jī)、馬達(dá)、電子器具上作為絕緣材料和構(gòu)件。在變壓器油壓環(huán)境和濕度環(huán)境中也非常適用。

7、環(huán)氧樹脂和所用的固化劑的反應(yīng)是通過(guò)直接加成反應(yīng)或樹脂分子中環(huán)氧基的開環(huán)聚合反應(yīng)來(lái)進(jìn)行的,沒(méi)有水或其它揮發(fā)性副產(chǎn)物放出。它們和不飽和聚酯樹脂、酚醛樹脂相比,在固化過(guò)程中顯示出很低的收縮性(小于2%)。

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