|
衡量塑料制品耐热性能好坏的指标有热变形温度 马丁耐热温度和维卡软化点三种,其中以热变形温度最为常用. 7 x" H) p3 J3 n7 e- o7 e g
/ x" P6 r9 V+ Y) r$ }0 e- @) a, ^3 }, i
常用塑料的耐热性能(未经改性的)
- f0 A2 o1 e3 G7 \, b0 v0 V# J) S
5 @( }6 R; ~" I 热变形温度----------维卡软化点 ------------马丁耐热
# j# w- w8 B; fHDPE -----------------80-------------------------120 ------------------------\\
* s* \! O$ _: Y3 l: J0 d+ l) q$ yLDPE-------------------50--------------------------95--------------------------\\ $ d* t9 H$ V7 H7 V
EVA---------------------\\---------------------------- 64-------------------------\\
2 R% k3 a) Y' a- z) Q" Q! w: b, B XPP........................102........................110........................\\
4 s4 J* A! G# r, y0 s% ~3 \# N' D4 mPS........................85............................105..................... \\ - }9 T* f3 L# R/ k9 U: B4 r
PMMA...................100..........................120...................... \\
! W+ f) f+ p- I9 b5 Q$ oPTFE.....................260..........................110.......................\\ 1 L! U) ^+ K/ c2 r P& P6 y! _
ABS.......................86...........................160......................75 4 E0 R3 i( {( H) V# T
PSF.......................185..........................180.....................150
3 M. w) ~8 n/ a. P7 JPOM.......................98............................141.....................55
: C" c: x: J5 U' D: jPC.........................134.............................153...................112
* B& |; m8 D( a) \# K5 EPA6.......................58..............................180....................48 * l8 m- R) ^8 u ^. ]
PA66......................60..............................217................... 50
2 v; h7 H% k1 _9 P" ~PA1010..................55..............................159.....................44 8 z* D6 Y- w: g# `; }; H0 d% [
PET........................70..............................\\........................80
$ w5 L8 N$ i2 q* \1 i0 o8 qPBT........................66..............................177....................49
: |2 o* u5 M" e. G% G% m4 K" d/ kPPS........................240.............................\\........................102
' P: ~" ]" }7 i/ ?4 J( a: ?PPO.......................172..............................\\........................110
) S, H$ I0 j; |PI...........................360........................... 300..................... \\ 1 E; q$ d0 k4 d0 g. ~3 q
LCP........................315..............................\\ .........................\\ ) w4 O$ X: E! o# j
: n/ B3 n$ G3 S' M& v) n4 S附件中是常用塑料的性能和选用要求. |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册安规
x
|