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Phenol yellow test control cloth

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Product Name: James. H. Heal phenol yellow test control cloth.
Detailed description: the James. H. Heal phenol yellow test control cloth is used to indicate whether the phenol yellow test test is successful.
Product size and packaging: 100 mm * 30 millimeter. 25 pieces per box.
Yellowing test material is a simple, relatively low cost and foreseeable test. It is mainly used to test the yellowing degree of white or waxy yarn, cloth and garment in transportation or storage.
(1) the yellowing special test control cloth 100 x 30mm, 25 pieces per package.
(2) the special test paper for yellowing, 150 pieces per package.
(3) the yellowing special test glue film contains no BHT400 x 200mm, 100 pieces per package.
(4) 100 x 40 x 3mm for the special test glass of yellowing, 10 pieces per package.