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China Optical Brightener OB-1 for master batches
China Optical Brightener OB-1 for master batches
China Optical Brightener OB-1 for master batches
China Optical Brightener OB-1 for master batches
China Optical Brightener OB-1 for master batches

China Optical Brightener OB-1 for master batches

Brand
Raytop
Appearance
Yellow Green Powder
Purity
98.5%
Color shade
blue
Finess
400-800 mesh
Package
10kg/25kg per fiber drum
Shelf Life
2 years
Transport
by sea or by air
Molecular formula
C28H18N2O2
CAS
1533-45-5
Color light
blue
Solubility
solvent solubility
Wavelength
374nm
Optical Brightener OB-1 has two appreances: yellow and green,CI. NO.393,CAS NO.1533-45-5,it is popular in plastics industry,such as master batches,kinds of compund,PVC ,PET,PP,ABS etc.

China Optical Brightener OB-1 for master batches

China Optical Brightener OB-1 for master batches

China Optical Brightener OB-1 for master batches

China Optical Brightener OB-1 for master batches

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-green-masterbatch.jpg

 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.




 


 

 

 

 



 

 

 

 

 


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Name: Noel        time:2022-03-10 14:09:50
Great Optical Brightener OB-1. Excellent quality. It surpasses my expectations.

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