????????????????????????????????????????????????Щ??????????????????????????????????????????????弶??????????????????????50??----100??Σ???????30??-----50??Σ??????10??---30??Σ??弶??10??????￡???????????????????????????????HRC50????????????????????????????????????????????н????????????????????????????к????????????????????????????????????????????????????????????????????????????????????????8407??S136,??????420,H13,????2316??2344??083?????????SKD61??DC53????????????????????????á????????????????????????????????????????????к????????????????????????????
??Щ???????????????Щ??????????????????????????粣??????????????????????????????????????????????S136??2316??420????????????????S136??2316??420??????SKD61??NAK80??PAK90??718M??????????????У?PVC??POM??PBT?????????????У?PC??PP??PMMA??PA??
?????????????????????????к????????????????????????????????????????S136??2316??718S??NAK80??PAK90??420????????????????S136???????420??
????????????????????????????????????????????Щ????????????????????????????????????????????????漰?????????????????????????????????????S136??2316??????????????55—60???????????????????岻???????????????????????
??????????????????У?S136H??2316H??718H??083H?????HB270----340?????弶?????P20??718??738??618??2311??2711????????????????????п??????S50C??45#????????????????????????????????)
????????????????????
???????? ??????(%)
HDPE?????????? 1.5~3.5(2.0)*
POM(????) 1.8~2.6(2.0)*
LDPE??????? 1.5~3.0(1.5)*
PA6 0.7~1.5
PP??????????? 1.0~3.0(1.5)*
PA66 1.0~2.5
GPPS 0.4~0.8(0.5)*
SPVC 1.5~2.5(2.0)*
HIPS 0.4~0.6(0.5)*
TPU 1.2~2.0(1.6)*
ABS???????齺?? 0.4~0.7(0.5)*
PMMA????????? 0.5~0.7(0.5)*
PC?????????????? 0.5~0.7(0.5)*
PBT 1.3~2.2(1.6)*
????? “ * ” ??????????
