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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With our great management, potent technical capability and strict excellent handle procedure, we continue on to provide our customers with reputable top quality, reasonable selling prices and great providers. We purpose at becoming amongst your most trusted partners and earning your satisfaction for China Supplier Optical brightener OB-1 (FBA 393) - Flourescent brightener ER – Kunxiangda , The product will supply to all over the world, such as: Croatia, Anguilla, Ecuador, We welcome you to visit our company, factory and our showroom displayed various products that will meet your expectation, meanwhile, it is convenient to visit our website, our sales staff will try their efforts to offer you the best service. If you need to have more information, remember to do not hesitate to contact us by E-mail or telephone.
By Freda from Sweden - 2017.11.20 15:58
The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
By Maxine from Moldova - 2018.11.11 19:52