Factory Price Ethyl Pyruvate Bulk - Flourescent brightener ER – Kunxiangda Detail:
Flourescent brightener ER-I (FBA 199)
CAS NO. :13001-39-3
Structural formula: 
Appearance: yellow green crystalline powder
Purity: ≥99%
Melting point: 229-231℃
Packing: 25KG fiber drum lined with double-layer plastic bag
Uses: in whitening and brightening polyester fiber. It has favorable whitening and brightening effects to polyethylene, polypropylene, PVC and other plastics and products.
Flourescent brightener ER-II (FBA 199:1)
CAS NO. :13001-38-2
Structural formula: 
Appearance: light yellow crystalline powder
Color: royal purple
Purity: ≥99%
Melting point: 184-186℃
Packing: 25KG fiber drum lined with double-layer plastic bag
Uses: in whitening and brightening polyester, polyester/cotton, polyester/yarn, polyester/linen and other blended fabrics
Flourescent brightener ER-Ⅲ(FBA 199:2)
CAS No.: 13001-40-6
Structural formula: 
Appearance: bright yellow crystalline powder
Color: green light, resistant to high temperature, high light resistance
Purity: ≥99%
Melting point: 289-291℃
Packing: 25KG fiber drum lined with double-layer plastic bag, 16KG plastic bag
Uses: polyester, acetic acid, chinlon and other fibers.
Flourescent brightener ER-IV
CAS NO. :79026-03-2
Structural formula: 
Appearance: light yellow crystalline powder
Melting point: 214-216℃
Purity: ≥98.0%
Uses: in whitening and brightening polyester, P/C, polyester silk, polyester yarn, polyester wool, polyester linen and other blended fabrics
Flourescent brightener ER-V
Structural formula: 
Appearance: light yellow crystalline powder
Purity: ≥98.0%
Uses: in whitening and brightening polyester, P/C, polyester silk, polyester yarn, polyester wool, polyester linen and other blended fabrics
Product detail pictures:
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By Henry from Bahrain - 2017.10.13 10:47
In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
By Modesty from Egypt - 2018.09.21 11:01