OPTICAL BRIGHTENER OB-1

Chemical Name: 2,2-(1,2-Ethenediyldi-4, 1-phenylene) bisbenzoxazole
Molecular weight: 414.4
CAS No.: 1533-45-5
C.I.: 393

Specification:

Use:

1.Suitable for whitening chemical fibers, such as the polyester fibre, nylon fiber, polypropylene fiber and so on.
2. Suitable for whitening and brightening polypropylene plastic, hard PVC, ABS . EVA, polystyrene, polycarbonate, etc.
3. Suitable to be added into the conventional polymerization of polyester and nylon.
4. Especially suitable for whitening the plastics processing under high temperature.

Method of Application: Recommend consumption: Put OB-1 brightener into every1000kgmateriel:
1. The dosage in EVA, polypropylene, nylon and polycarbonate is 75 ~200g.
2. The dosage in terylene fiber is 75 ~300g.
3. The dosage in benzene is 25-50g.

Packing: in25kgfiber drum.

HS Code: 32042000