Common problems of Light Fastness Tester occurred mainly on cotton and cotton blended products. Dye variety used for dyeing cotton fibers are: direct dyes, insoluble azo dyes, vat dyes and reactive dyes.
For the laboratory requirements, we also bring forth the new practical test instruments. Qinsun products include: fabric test equipment,fiber tester, yarn tester, carpet tester,non-woven fabric tes...