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Factory wholesale Optical Brightener 393 - Optical Brightener OB-1 for PVC – DEBORN Detail:
Chemical name |
2,2′-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole |
Molecular formula |
C28H18N2O2 |
Molecular weight |
414.4 |
CAS NO. |
1533-45-5 |
Chemical structure

Specification
Appearance |
Yellowish green powder |
Assay |
98% min |
Melting Point |
357~361°C |
Volatiles Content |
0.5% max |
Ash content |
0.5%max |
Recommended dosage
Every 1000Kg polymer added amount of Optical brightener OB-1:
1. Polyester fiber 75-300g. (75—300ppm).
2. Rigid PVC, PP, ABS, Nylon, PC 20-50g. (20—50ppm).
3. Whitening concentrated masterbatch 5-7kg. (0.5—0.7%).
Package and Storage
Net 25kg/full-paper drum
Store the product in a cool, dry, well-ventilated area away from incompatible materials.
Product detail pictures:
Related Product Guide:
We generally believe that one's character decides products' top quality, the details decides products' high-quality ,along with the REALISTIC,EFFICIENT AND INNOVATIVE team spirit for Factory wholesale Optical Brightener 393 - Optical Brightener OB-1 for PVC – DEBORN , The product will supply to all over the world, such as: Croatia, Macedonia, Hongkong, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, now we have gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.