The Optical Brightener CBS-X is used to whiten and brighten PVC, PS, ABS and so on Molecular formuler PropertiesBright yellow or yellow ... : ≥99%ApplicationIt is used in thermoplastic plastics. PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin. polyester fiber ... weight of each drum is 25kg .The Optical Brightener CBS-X Optical Brightener CBS ...