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Discussion on hue metering of bottle grade polyester chip
Author(s): QIU Weimin
Pages: 14-
16
Year: 2001
Issue:
4
Journal: POLYESTER INDUSTRY
Keyword: 瓶用聚酯切片; 色相; 测试;
Abstract: 探讨了瓶用聚酯切片色相的测试方法.通过对不同粒径瓶用聚酯的色相进行对比实验,发现粒径的变化会导致L、a、b值及测试的标准偏差产生明显变化.20~40目粉末值与切片值相比,L值高约4~5、a值低约1、b值高约0.5.而标准偏差则分别减小到0.028、0.132、 0.045.
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