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本帖最后由 xiaoning 于 2015-1-19 12:52 编辑
& h* w8 t9 h4 P; {Nezof 发表于 2014-2-26 11:53 / U& d7 F% M8 R% @* H- `
好吧,人家是这么做的: 9 L5 m- ]" e' J: p* L( ^* j
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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