fluorescent brightener OB

optical brightener OB This product optical brightener OB can be used for whitening thermoplastic plastics, and optical brightener OB can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. optical brightener OB can be added at any stage in the process of whitening the polymers. Shijiazhuang Taicang New Materials Co., Ltd. is a technology innovation and environmental protection enterprise integration of research