Technical Specs of OB-1 Optical Brightener
|Appearance||bright yellow powder|
Properties of OB-1 Optical Brightener
Optical Brightener OB-1 is insoluble in water, but soluble in high boiling point organic solvents such as benzene dichloride. It has high whitening strength, strong fluorescence, excellent high temperature and weather resistance. But the added amount cannot exceed the peak value , otherwise it’ll precipitate.
Applications of OB-1 Optical Brightener
Optical Brightener OB-1 is widely used in whitening of various plastics, polyester fibers and blended fibers, etc.:
- Suitable for whitening polyester fiber, nylon fiber, polypropylene fiber and other chemical fibers.
- Suitable for whitening and brightening of polypropylene plastic, rigid PVC, ABS, EVA, polystyrene, polycarbonate, etc.
- Suitable for the addition of polyester and nylon in conventional polymerization.
- Especially suitable for whitening of plastic products formed at high temperature.
Packaging and Storage
OB-1 Optical Brightener is packed 25kg per fiber drum lined with plastic bag, stored in cool and dry place without direct sunlight. Shelf life is 2 years.