The cured system of epoxy resinlead benzoylate has high heat distortion temperature, but its dielectric properties at hightemperature and heat ageing life deteriorate.
环氧-羧酸盐体系虽然热变形温度和热态强度较高，但高温下介电性能差，耐热老化性能也不好。
2
Has the advantages, adiabatic, fire prevention, hightemperature resistance, ageing resistance, bibulous rate is lower notable features.
具有轻质、绝热、防火、耐高温、耐老化、吸水率低等显著特点。
3
High-voltage electric field combined with hightemperature may lead to thermal breakdown and ageing of insulator for ESP.