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本帖最后由 xiaoning 于 2015-1-19 12:52 编辑
' i" `) O# B. R& \: ` n0 FNezof 发表于 2014-2-26 11:53 ' _: l/ M# w1 m4 N
好吧,人家是这么做的: ' D4 D% F! [( I8 P
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=]/ b# {9 F$ r9 H- @2 o
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