本机适用于皮革，塑胶及纺织材料的色牢度试验。利用摩擦，鉴定试样变褪色及毛毡染污程度，来评估该试样之色牢度；可做干、湿两种测试，且具备记忆功能。 This machine is designed for determining the colorfastness of leather, plastics and textile materials.The colorfastness is assessed by checking change in color of the specimen and stain of the felt after rubbing the specimen. Both dry and wet tests can be made by this machine,which has the memory function.