CAS NO. 1533-45-5

Optical brightener agent OB-1,Sunpal OB-1 holds well heat resistance, sunshine resistance, chloride bleaching resistance and move resistance capability.

Optical brightener agent OB-1,Sunpal OB-1 is especially high temperature tolerance, suitable for shaping various kinds of plastic under high temperature.

Optical brightener agent OB-1,Sunpal OB-1 can be used in the whitening polyester resin, is widely used ABS, PS, PA, PC, PP, EVA etc.?It can be also used for whitening of polyester short fiber and filament, polypropylene fiber, polyamide fiber and Nylon.

Advantages
1. Odorless, does not bring smells to the polymers.
2. Light fastness is very good.
3. Stable to heat, and can be used in plastics which require high processing temperature.
4. Low vapor pressure, very little or no loss during processing.