Optical Brightener OB
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Optical Brightener OB

Optical Brightener OB is a kind of plastics additives that can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter. Optical Brightener OB mainly used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.

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Product Description

Optical Brightener OB is a kind of plastics additives that can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter.
Optical Brightener OB mainly used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.


Product Name

Optical Brightener OB

Chemical Name

2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene

CAS No.

7128-64-5

C.I. No.

184

Structural Formula

Molecular Formula

C26H26N2O2 N2

Molecular Weight

430

Technical Index

Appearance:slight greenish yellow powder
Melting Point:200-202°C
Purity:≥99%

Uses

Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.
Pplastics:about 200g per 1000kgs

Package

10kg/25kg per fiber drum







Hot Tags: Optical Brightener OB, Manufacturers, Suppliers, Wholesale, Factory, Made in China, Buy, China, Customized, In Stock, Free Sample, Cheap, Discount, Price

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