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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. & |. Y/ f# M4 W7 @
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常用塑料的耐热性能(未经改性的)
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热变形温度----------维卡软化点 ------------马丁耐热
/ r7 w0 _/ L1 A8 o2 H1 V; V$ U! oHDPE -----------------80-------------------------120 ------------------------\\ ' w& S+ F) A# M C; l4 o
LDPE-------------------50--------------------------95--------------------------\\
5 p. F' B$ c& f. J% u0 FEVA---------------------\\---------------------------- 64-------------------------\\ " t+ P p G! P/ B- `1 W' c8 s$ {
PP........................102........................110........................\\ " ], ?* l" k8 w' r5 Q* v
PS........................85............................105..................... \\
+ [" ` d& r2 k3 W# j T7 jPMMA...................100..........................120...................... \\ 3 a z% m3 O U% o5 U
PTFE.....................260..........................110.......................\\ 1 A: S! {& {9 i9 l
ABS.......................86...........................160......................75
. D% |: g8 {8 A# R2 a/ e( yPSF.......................185..........................180.....................150
. h; h; u; _4 C0 x3 APOM.......................98............................141.....................55 . R! I0 k9 N: y) M& i# A! P
PC.........................134.............................153...................112
) R! U$ q/ Y8 o K# P5 @- c, [PA6.......................58..............................180....................48 - u I& p0 w$ c6 l; m- [7 \4 L
PA66......................60..............................217................... 50 9 v2 a# ~* T# N- d! J6 n
PA1010..................55..............................159.....................44
1 }8 L& D ^( j6 gPET........................70..............................\\........................80
! Q! k0 ?8 \" H1 N& C; `7 rPBT........................66..............................177....................49
% e7 a8 k2 d9 r4 y3 e2 S6 jPPS........................240.............................\\........................102
s4 r8 ?% x# d( C+ J; I. v bPPO.......................172..............................\\........................110
# v T ^- B7 OPI...........................360........................... 300..................... \\
/ D) S& q$ \! `9 z" B. [LCP........................315..............................\\ .........................\\
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( _6 K: D# |% l6 n, g附件中是常用塑料的性能和选用要求. |
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