Gujarat is the big city is north of India,and it is a big industry city. However,there is no Optical Brightener manufacturers in gujarat, but optical brightener sells very good,sucj as optical brightener OB-1,OB,FP-127 etc.

Optical Brightener OB-1 is kind of plastics additives can absorb UV light then emit visible blue light to reduce the 

yellowish and make the products more white.It mainly used in whitening of polyester and plastic, as well in whitening of 

Nylon during polymerization,also used in ABS, PS, HIPS, PA,PC, PP, PET,EVA, PVC, etc.

China Optical Brightener OB-1 for master batches is very popular in the market,it is different from powder optical brightener ,it is granule with better dispersity and good for dustfree enviroment.

Product Name:Optical Brightener OB-1

Chemical Name:2.2’-(4.4’-diphenol vinyl) dibenzoxazol

CAS No.:1533-45-5

C.I. No.:393

Molecular Formula:C28H18N2O2

Molecular Weight:414 

Technical Index:Appearance:yellowish green powder 

Melting Point:357~359°C 

Purity:≥98.5% 

Recommend Dosage:200-500g per 1000kg material

Package:10KG/25kg per fiber drum with 450kg or 500 kg or 675kg/pallet

Optical Brightener OB-1 produced from China only,but world wilde use it to make master batches,then the optical brightener 

masterbatches and compound are used in the plastics industry.