Ʒص㣺ɢϵ͵ ijߴȶĻеӹľԵĻеǿ (1)ɢԣ֪ܶ˫塢ܶȸߡʴɢΪѣFR-4CEM-3ȸͭ壮ΪȵIJ壬ɢ豸ֲȲųƱص Ԫڸ״̬ʧЧͭɽ⡣ (2)ϵ͵ԣFR-4CEM-3 ӡƵ·֬ǿϼͭɵһָ塣ڰx Y ӡƵ·ϵΪ13x10-618x10-6 ڰ֮Z ᷽Ϊ80x 10-690xl0-6/ ӡƵ·ĽױZ ᷽ϵܴܸµ±仯ʱʹѡϿӰ豸ĿɿԣϵΪ16.8x10-6/ ʹҪЧؽɢ⣬ʹӡưϲͬϵԻ⣬Ӷ豸ԺͿɿԡ (3)ijߴȶԣӡƵ·ߴȶҪԵǿڴԵϵġӡư壬ϵΪ22 .4xl0-6 / ¶ȴ30 ȵ140 150 ʱߴ仯Ϊ0 .25% 0 .3 (4)ĻеӹԣͭĸǴͭͳFR-4 CEM-3ȸͭȣͭҪԶ֬ǿϡ (5)ľԵԣڽͭУ·ͻIJڵõ6KV ֱAC ֵĿƵ·ҪͻѹΪ2KV ϾҪġˣӡƵ·ľԵԶڳҪġ (6)ĻеǿȣFR-4,CEM-3ȸͭFR-4Ŀǿǣ450MPa(1.6mm)ͬĽͭĿǿ670MPa,ͭ870MPa