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OB
Commodity: Optical brightener OB
CAS#: 7128-64-5
Formula: C26H26N2O2S
Weight：430.56
Uses: A good product on whitening and brightening various of thermoplastics, such as PVC、PE、PP、PS、ABS、SAN、PA、PMMA, as good as fiber, paint ,coating ,high-grade photographic paper, ink, and the signs for anti-counterfeiting. -
OB-1
Commodity: Optical brightener OB-1
CAS#: 1533-45-5
Formula: C28H18N2O2
Weight：414.45
Uses: This product is suitable for whitening and brightening of PVC, PE, PP, ABS, PC, PA and other plastics. It has low dosage, strong adaptability and good dispersion. The product has extremely low toxicity and can be used for whitening plastic for food packaging and children’s toys.
Specifications: -
FP-127
Commodity: Optical brightener FP-127
CAS#: 40470-68-6
Formula: C30H26O2
Weight：418.53
Uses: It is used for whitening various plastic products, especially for PVC and PS, with better compatibility and whitening effect. It is particularly ideal for whitening and brightening artificial leather products, and has the advantages of not yellowing and fading after long-term storage -
CBS-X
Commodity: Optical brightener CBS-X
CAS#: 27344-41-8
Formula : C28H20O6S2Na2
Weight：562.6
Uses: Application fields not only in detergent, as synthetic washing powder, liquid detergent, perfumed soap /soap, etc, but also in optics whitening ,such as cotton, linen, silk, wool, nylon, and paper.
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