Offering optical brightener OB-1 /fluorescent brightener OB-1/brightening agent OB-1 :

- Molecular formula: C28H18N2O2
- Recommended dosage:
add OB-1 optical brightener each 1000kg material:
1. add 50-200g in EVA, polypropylene fiber, nylon, Makrolan and so on.
2. add 75-300g in polyester fiber.
Performance:

The optical brighteners is yellow crystal, insoluble in water, odorless and with stable function. Its biggest absorption spectrum is 374mm with strong fluorescence. Its transmitted wave is 434mm.

Technical parameters:
Appearance: yellow powder
Melting point: 250-270 8451;
Purity: 8805;98.5%
Fineness: 8805;300
Use:
1. It is suitable for whitening and brightening the chemical fiber for example lanon, nylon fiber.
2. Used to whiten and brighten polypropylene plastics, solid PVC, ABS, EVA, polystyrene, makrolan and so on.
3. Add it in common polymerization of the material polyester and nylon.
a) Specially used to whiten and brighten plastic products fashioned under high temperature.

Package
1. Packed in 1kg 12 or 2kg 5paper box;
2. Packed in 20kg metal pail.
3. Stored in shady and dry lucifuge place.