Optical Brightener KSN

Optical Brightener KSN 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 KSN mainly 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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Product Description

Optical Brightener KSN 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 KSN mainly 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.

Product Name	Optical Brightener 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
Dosage	Overlay plastic:0.5-2g/100kg Polyester fiber:10-20g
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.
Package	10kg/25kg per fiber drum

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