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Rubber Optical Brightener KSN 368 from China

Brand
Raytop
Appearance
Yellow Green
Purity
98.5%
Color shade
Blue
Finess
300 mesh
Package
10kg/25kg per fiber drum
Shelf Life
2 years
Transport
by sea or by air
Solubility
water or solvent

The Rubber Optical Brightener KSN is mainly used for outdoor rubber, with good weather resistance and excellent stability.In some countries,the customers also called it Optical Brightener KS.

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The  Optical Brightener KSN has a similar chemical structure to  Optical Brightener OB-1, but it has a better whitening effect on polyester fibers and plastic products than  Optical Brightener OB-1, and it has better compatibility with plastics than  Optical Brightening agent OB-1, and it is used in a small amount. Can produce very good whitening effect, which is far from fluorescent brightener OB-1.

Optical Brightener KSN.jpg


Product Cate

Optical   Brightening Agent For Plastic

Product Name

Optical   Brightening Agent KSN

Chemical Name

4.4-bis(5-methyl-2-benzoxoazol)-ethylene

CAS No.

5242-49-9

C.I. No.

368

Structural Formula


Molecular Formula

C30H22N2O2

Properties

1.   being highly whiteness with small usage. 
  2. multipurpose used for whitening of polyester fiber and plastic. 
  3. having a good compatibility and good fastness to light and sublimation.   Can be used for high temperature process.

Treating Process

Overlay   plastic:0.5-2g/100kg 
  Polyester fiber:10-20g

Package

20kg   cardboard drum

Technical Index

Appearance:   greenish yellow powder 
  Melting process: 300~320°C 
  Ash content:≤0.5% 
  Purity:≥99% 
  Volatile content:≤0.5% 
  Fineness(300 mesh):100%

Uses

mainly   be used in whitening of polyester, polyamide, polyacrylonitrile fiber, the   plastic film and all plastic pressing process. Can suitable for synthesizing   high polymer including polymeric process.


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