China Supplier Optical brightener OB-1 (FBA 393) - 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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Our pursuit and enterprise goal is to "Always satisfy our customer requirements". We keep on to establish and style and design outstanding top quality goods for both our outdated and new prospects and realize a win-win prospect for our clientele likewise as us for China Supplier Optical brightener OB-1 (FBA 393) - Flourescent brightener ER – Kunxiangda , The product will supply to all over the world, such as: Malta, azerbaijan, Florida, Due to our dedication, our products are well known throughout the world and our export volume continuously grows every year. We will continue to strive for excellence by providing high quality products that will exceed the expectation of our customers.
By Jamie from Irish - 2017.07.28 15:46
The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
By Cheryl from Turin - 2018.06.03 10:17