Optical Brightener OB-1

Chemical name: 2.2’-(4.4’-diphenol vinyl) dibenzoxazol 

Molecular formula: C₂₈H₁₈N₂O₂

Molecular weight: 414

CAS No.: 1533-45-5

Properties:

·         High whitening force, strong fluorescence


·         Wide range of application, widely used for the whitening of polyesters, nylon fiber and various plastics.


·         Excellent resistance to high temperature. 

Application:

Suitable for the whitening of polyester fiber, nylon fiber and etc. Suitable for polypropylene, hard PVC, ABS, EVA, PS, polycarbonate etc.
Dosage: 0.01-0.05% 

Packing: 

25kg fiber drum