Optical Brightener OB-1

Optical Brightener OB-1 is kind of plastics additives can absorb UV light then emit visible blue light to reduce the yellowish and make the products more white. Optical Brightener OB-1 mainly used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization,also used in ABS, PS, HIPS, PA, PC, PP, PET,EVA, PVC, etc.

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Product Description

Optical Brightener OB-1 is kind of plastics additives can absorb UV light then emit visible blue light to reduce the yellowish and make the products more white.
Optical Brightener OB-1 mainly used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization,also used in ABS, PS, HIPS, PA, PC, PP, PET,EVA, PVC, etc.

Product Name	Optical Brightener OB-1
Chemical Name	2.2’-(4.4’-diphenol vinyl) dibenzoxazol
CAS No.	1533-45-5
C.I. No.	393
Structural Formula
Molecular Formula	C₂₈H₁₈N₂O₂
Molecular Weight	414
Technical Index	Appearance:yellowish green powder Melting Point:357~359°C Purity:≥99%
Uses	Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization,also used in ABS, PS, HIPS, PA, PC, PP, PET,EVA, PVC, etc. Rate of use: (per 1000kg of substrate) Polyester: 75-300g EVA, PP, nylon: 75-200g
Package	10KG/25kg per fiber drum

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