5.21 OB-1 Optical Brightener

5.22 OB-1 Optical Brightener

Fillers and Colorants

Optical Brightener OB-1

YS55Anatase Titanium Dioxide
MA-55 is anatase titanium dioxide pigment. It has high purity ,good particle size, high distribution and high hiding power. good whiteness,excellent dispersion.

Category: Fillers and Colorants Tag: Fluorescent Brightener

Description

Specifications

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/greenish crystal powder Molecular weight:414.4 Melting Point:356℃～360℃ Purity: ≥98.5% Fineness: ≧200 mesh Volatile content: ≦0.5% Ash content :≦0.5%
Uses	Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization. For whitening of polyester and nylon; also used in ABS, PS,PVC, HIPS, PA, PC, PP, PE,PET,EVA, PVC, etc. Rate of use: (per 1000kg of substrate) Polyester: 75-300g EVA, PP, nylon: 75-200g
Package	25kg per fiber drum