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GB4085-2015 was implemented on August 1, 2016. It is a test method for "semi-rigid polyvinyl chloride block flooring". This standard specifies the terminology of semi-rigid polyvinyl chloride block fl...
This paper mainly uses the Taber wear tester to conduct actual testing and analysis on the wear resistance of common shoe upper materials such as soft leather, artificial leather, synthetic leather, m...
1. Folding thickness of fabric Fabrics are divided into thicknesses, and clothing made from fabrics also has thicknesses; this thickness is expressed by the folding amount, so the folding amount needs...