Product name: Optical Brightener OB
CAS NO: 7128-64-5
Appearance: slight greenish yellow powder
Melting Point: 200-202â??
Purity: â?¥99%
Maily be used in whitening of thermoplastic, PVC, PP, plyester fiber, paint and ink, etc.
Pacakge: 10kg or 25kg per fiber drum
