Factory wholesale Optical Brightener 393 - Optical Brightener OB-1 for PVC – DEBORN

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We stay with the basic principle of "quality initially, services first, steady improvement and innovation to fulfill the customers" for your management and "zero defect, zero complaints" as the quality objective. To perfect our company, we give the goods while using the good high-quality at the reasonable selling price for Light Stabilizer 111, Flame Retardants Cdp, Octabenzone, We believe we will become a leader in developing and producing high quality products in both Chinese and international markets. We hope to cooperate with more friends for mutual benefits.

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
Optical Brightener OB-1

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.

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To create far more benefit for customers is our company philosophy; customer growing is our working chase for Factory wholesale Optical Brightener 393 - Optical Brightener OB-1 for PVC – DEBORN , The product will supply to all over the world, such as: Morocco, Netherlands, Bahamas, We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.

2,4-Diisocyanato-1,3,5-Tris(1-Methyl)-Benzene Homopolymer