| Flourescent brightener OB-1 |
| CAS NO. :1533-45-5 |
| Appearance: bright yellow green crystalline powder |
| Purity: ≥98.5% |
| Melting point: 355-360ºC |
| Solubility: insoluble in water, soluble in benzene dichloride and other high boiling point organic solvents |
Optical brightener OB-1 is an excellent diphenylethylene bisbenzoxazole type compound, it is insoluble in water and has stable capability, and it also has good resistance to heat, sunlight, chlorin blenching and migration. It owns especially high temperature tolerance, suitable for shaping various kinds of plastics and their products under high temperature. It has an ideal whitening effect on polyester fibers as well as polyester fiber-containing fabrics including polyester-cotton blend fabric.
It can be used to whiten various kinds of plastics such as ABS, PS, HIPS, PA, PC, PP, EVA and rigid PVC. With addition of optical agent OB-1, polyamide fiber, nylon and polyester have significantly good whiteness.
Application Industry:
ABS, PS, HIPS, PA, PC, PP, EVA and rigid PVC
Packing: 25KG fiber drum lined with double-layer plastic bag
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