Product name: Optical Brightening Agent OB-1
Chemical name: 2.2'-(4.4'-diphenol vinyl) dibenzoxazol
CAS NO: 1533-45-5
Structural formula: 

Techncial index:

Dosage:
Put OB-1 brightener into every 1000kg materiel.
1. The add-on amount of EVA, polypropylene, nylon and polycarbonate is 75-200g.
2. The add-on amount of terylene fiber is 75-300g.
3. The add-on amount of benzene is 25-50g.

Uses
used in polyester, nylon, polypropylene
used in PP, ABS, EVA, PS and PC
used in nomal polymerization of polyester and nylon

Packing and storage
1kg*12 or 2kg*5 carton, 20kg metal drum or as your demand , stored in dark , cool and dry place.