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Company: Guangzhou Chengshuai New Material Co.,Ltd.
No.10, Jiqingxiang, Shiyicun, Shilou Town, Panyu Dist., Guangzhou.China
Guangzhou 511447
Phone: +862034708468
E-Mail: Send Inquiry
Date/Time:  10/10/19 7:54 GMT


Guangzhou Chengshuai New Material Co.,Ltd.

Chemical name: 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzox , azole
CAS No.:1533-45-5
Molecular formular: C28H18N2O2
Molecular weight:414.45

Appearance: Yellow – green powder
Assay, %:≥98.5
Melting point,℃:355 – 361
Volatility, %: ≤0.5
Ash, %: ≤0.5
Particle size: pass 100 mesh

Optical Brightener OB-1 is especially resistant to high temperature, and is mainly
used for whitening by hot melt padding. It is suitable for whitening of polyester
fiber and whitening of polyester and cotton and other fiber blended fabrics. The
product can also be used for plastic whitening of ABS, PS, HIPS, PA, PC, PP, EVA
and rigid PVC. The addition of OB-1 to nylon fiber, nylon and polyester will also
significantly improve whiteness. After adding OB-1 to recycled polyester fiber
waste, bottle stock and chips, the recycled material will appear whiter and the
color will become more consistent in different recycled materials.

1,It is suitable for whitening of chemical fiber such as polyester fiber, nylon
fiber and polypropylene fiber.
2, Suitable polypropylene plastic, rigid PVC, ABS, EVA, polystyrene, polycarbonate
or the like whitening and brightening.
3. It is suitable for the conventional polymerization of polyester and nylon.
4, Especially suitable for whitening of plastic products molded at high
temperature. info at

Minimum Order: 100 kilograms

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SOURCE: Import-Export Bulletin Board (
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