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chamber test color evaluation-spectrophotometer method fiber analysis test. light fastness test. test equipments: rub fastness tester this machine is designed to carry out the rub fastness test on the surface of leather, so as to determine the amount of marring of the leather surface of finish and of...
chamber test color evaluation-spectrophotometer method fiber analysis test. light fastness test. test equipments: rub fastness tester this machine is designed to carry out the rub fastness test on the surface of leather, so as to determine the amount of marring of the leather surface of finish and of...