Chemical name: 2,2 - (4,4 '- stilbene) dibenzoxazole
C.I.NO:393
CAS No.：1533-45-5
Molecular formula: C28H18N2O2
Molecular weight: 414
Technical indicators:
Appearance: yellow crystalline powder
Purity: ≥ 98.5%
Melting point: 357 ～ 359 ℃
Performance and application: Fluorescent whitening agent OB-1 has good high temperature resistance, high whitening strength and strong fluorescence. This product is suitable for whitening polyester fiber, nylon fiber, polypropylene fiber and other chemical fibers, and can be used as the whitening of polyester stock solution. It is also used for whitening and brightening plastic products such as PVC, ABS, EVA, polystyrene, etc.
Recommended dosage: add OB-1 whitening agent every 1000kg of material:
The addition amount of EVA, polypropylene fiber, nylon, polycarbonate, etc. is 75~200g;
The addition amount of polyester fiber is 75-300g.
Packaging and storage: Packed in cardboard barrels lined with plastic bags, with a net weight of 25kg/barrel, or packed according to customer needs, and stored in a cool, dry place away from light.
