|
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.
g2 k2 `% B" G3 f5 k% Y5 C6 ^! N8 ?+ o$ m' \8 @' L8 E
常用塑料的耐热性能(未经改性的)
I8 _% |& q4 J ! I; S: E# W6 o* ?$ \
热变形温度----------维卡软化点 ------------马丁耐热
4 p$ I6 H4 J5 GHDPE -----------------80-------------------------120 ------------------------\\
2 p, c2 f2 h2 W8 W8 NLDPE-------------------50--------------------------95--------------------------\\ # ]4 G: q7 ]1 z3 } W4 L& a' n
EVA---------------------\\---------------------------- 64-------------------------\\ & P0 _4 x' g, n t. F
PP........................102........................110........................\\ 0 E# Y5 Z7 }* _
PS........................85............................105..................... \\
% L' _# F* L; w. o oPMMA...................100..........................120...................... \\
' n: }6 l* | m6 l2 ]PTFE.....................260..........................110.......................\\ ( |2 I. @- l' l) l5 b1 h, l
ABS.......................86...........................160......................75
' v( N, r& H3 [8 @& F" Y' M' M7 gPSF.......................185..........................180.....................150
K5 } h! ]+ ePOM.......................98............................141.....................55
+ P2 A; s' y6 ]$ N0 n7 w# D Q- _PC.........................134.............................153...................112 - A. f' f0 e8 k6 a
PA6.......................58..............................180....................48
# `0 `: J) P3 ^PA66......................60..............................217................... 50 - I! U6 c- j3 w8 N
PA1010..................55..............................159.....................44
8 K0 f% A" f9 XPET........................70..............................\\........................80 0 Y- ?8 [) ]( A7 T
PBT........................66..............................177....................49 ( V) X8 m2 E, m0 {
PPS........................240.............................\\........................102 ; c0 f' a K- ~0 n
PPO.......................172..............................\\........................110
0 k! t2 g6 [. G+ _ XPI...........................360........................... 300..................... \\
, P. B' l- L3 B8 Z2 D% lLCP........................315..............................\\ .........................\\ # m6 J* }" _( {- E6 U
( u# o" D) ]5 \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
|