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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. ; Y4 ^ y; L X1 H3 ?; S+ I4 A% V8 ]
2 y2 N) M( X9 ], r- ~" Z 常用塑料的耐热性能(未经改性的) 9 r2 ^, t8 X7 L% a$ ^2 J
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热变形温度----------维卡软化点 ------------马丁耐热 T% O6 _& F3 _
HDPE -----------------80-------------------------120 ------------------------\\ + O9 S# M3 @ Y5 h& e
LDPE-------------------50--------------------------95--------------------------\\ & J8 Z+ t, ?* w! p$ [
EVA---------------------\\---------------------------- 64-------------------------\\
" C) O- R8 ^& R, f5 cPP........................102........................110........................\\
, [$ ~. M& }2 z# X) {# e' ]PS........................85............................105..................... \\
% @. ^& I. |% g/ G6 CPMMA...................100..........................120...................... \\
8 s; v( }& `: R; X. c# BPTFE.....................260..........................110.......................\\
2 z- q( O6 F- ?! |ABS.......................86...........................160......................75 & r- j3 z5 ~1 l3 A2 y
PSF.......................185..........................180.....................150
( K" S* Y3 Y8 G& EPOM.......................98............................141.....................55 + N3 y- A. c$ G" i. P/ N
PC.........................134.............................153...................112
! N" z/ _# n5 D# CPA6.......................58..............................180....................48 * g5 k$ ^% k" U( |5 v2 N
PA66......................60..............................217................... 50
& _; U. }) g: Q3 P {PA1010..................55..............................159.....................44 % D4 \4 N' l ~( [2 o, c
PET........................70..............................\\........................80
' V! U- w& d1 e6 V1 r* oPBT........................66..............................177....................49
& W6 z4 t: `' Y+ _PPS........................240.............................\\........................102 - E7 Y2 T" t- Y$ w/ ]
PPO.......................172..............................\\........................110
L& Q( V, ]) c2 t( QPI...........................360........................... 300..................... \\
' h/ M/ o- t' c8 i2 zLCP........................315..............................\\ .........................\\ % i0 Q4 F0 m& F9 l- ^( F
3 {, {( b# Z E6 r, S( o. a5 `附件中是常用塑料的性能和选用要求. |
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