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Shandong Raytop Chemical Co.,Ltd
Professional optical brightener OB OB-1 FP-127 KSN KCB manufacturer from 2006
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optical brightener KSN

optical brightener KSN

Place of Origin : China
Certification : ISO9002
Model Number : SUBANG
Brand Name : RT
MOQ : 100 kgs
Price : USD45.00/kg
Packaging Details : 10kg/25kg per fiber drum
Delivery Time : from stock
Payment Terms : TT,DP,LC
Supply Ability : 200 MT/M
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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: 275~280°C
Ash content:≤0.5%
Volatile content:≤0.5%
Fineness(300 mesh):100%
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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