????? ?? ????? ????? ?? ??????? ?????? ??????? ?????? ???? ?????? ???? ????? ?????? ??????? ?????. ???? ??????, ????? ???????? ?????? ????????? ????? ????? ???? ????? ?? ?????? ????? ??????? ????? ?????, ?? ????? ?????? ?????? ?? ?????. ??????, ???? ???? ?? ???????? ?????? ?? ????? ??????, ?? ???? ?????? ?????? ???????? ????? ?????. ???? ?????? ??????? ????? ???? ?? ?????? ????????? ?? ?????, ?????? ???? ???? ???? ??????? ?? ????? ?????? ??? ?? ?????? ???????. ?????? ??? ?? ???? ??????, ???? ?????? ?? ?????? ?????? ??? ??? ??? ??? ??????? ????? ?????? ???????. ?? ???? ??????? ??????? ????????? ????, ????? ????? ???? ?????? ???? ??? ???? ?? ??????. ?????? ?????? ??? ????? ??: ???????? ?????? ??????? ??? ?-45-60℃, ????????? ??? ???? ??????? ?? ???? ??????? ???? ??? ??? 110℃ ?-190℃. ????? ???? ??? ?????? ??? ???????? ???? ????? ???? ????? ????? ????? ???? ?????? GB/T 8174-2008.

???? ?????? ???????? ?? ????? ????? ????? R2/R3/??? ??/??? ?????/?????? ?????? ????? ?????? ?????, ?????? ?????? ?? ????? ????? ??????? ?????? ?? ?????? ????? ?? ?????? ?????, ???? ???????? ?? ???? ?????s (??????? ????? λ ≤ 0.030W/(m·℃)) ???????? ?????? ????? ????????. ???? ????? ?????? ???? ????? ?? ?? ????? ????? ??? ??????: [R2: 7160.04 ????], [R3: 10856.00 ????], [??? ??: 37391.73 ????], [??? ?????: 26006.76 ????], [???? ??????: 3009.55 ????]. ???? ???? ?? ????? ????? ??????, ????? ?????? ?????, ????? ???? ??????. ?????? ??? ?? ???? ?????? ???????, ?????? ?? ??? ????? ????? ??????? ?????? ?????? ???? (≥ 85%) ????? ?? ??? ?????? ????? ??, ????? ????? ??????? ?????? ?-8 ??????, ?? ????? ????? ??????? ?? ?????? ???????? ?????? ??????? ??????? ???????????? ?? ?????? ???????.