大家来讨论: Dupont PA66 (101F) 是否适合用做变压器胶芯/骨架?

anquanbiao

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

RTI str 这个应该不需要, 应该看RTI (Elec)...

Collin

引用第20楼anquanbiao于2008-03-03 16:58发表的  :
RTI str 这个应该不需要, 应该看RTI (Elec)...

UL 1446中要求替代绝缘要考虑电气的和机械的温度指数(见附文), 但是在实际的UL绝缘系统中，则不一定. 比如P LEO(E20050)的B81绝缘系统，是Class B的， 但是包含Dupont的101F这种材料. 这个怎么理解?
: P( [% N. T) s, \附:
8.5.4 An encapsulant, ground, or interwinding insulation whose principal constituents (base resin, filler,
$ Z0 i8 k1 p* _" z5 n5 Creinforcement, flame retardant, heat stabilizer, and anti-oxidant) are found, based on documentation, to
be identical in composition and proportion to those of an encapsulant, ground, or interwinding insulation
3 `+ D: p  h2 o9 n) \# e5 fpresently specified in an insulation system shall be accepted in the system without additional tests when
both the following conditions are met:
8 n6 B% t# ?  ?. s: @; N7 Ja) The assigned relative thermal indices (electrical and mechanical) and minimum thickness of
the substitute material are equal to or greater than those of the presently specified material;
b) The substitute material differs from the presently specified material only with respect to
molecular weight, lubricant, nucleating agent, anti-static agent, colorant, or particle size.