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本帖最后由 xiaoning 于 2015-1-19 12:52 编辑 7 R4 e( v& \. M7 G# a6 p2 u3 c# ^6 A. g
Nezof 发表于 2014-2-26 11:53 9 `, W4 D B7 \6 ?4 v: R
好吧,人家是这么做的:
0 C9 i" W6 i) l5 \! J* B; b7 }/ O0 w找到测试方法了:[url=]MOLD-STRESSRELIEF CONDITIONING:A sample was placed in an air-circulating oven for7 hours with an oven temperature was at minimum 70°C or 10°C higherthan the maximum temperature obtained during the Temperature Test corrected toa 25°Cambient. The sample's polymeric partswere then examined for softening, warping or cracking.[/url][url=]
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