Good Quality 1,3-Dimethylurea - 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 using a full scientific excellent administration method, great quality and fantastic religion, we get good reputation and occupied this discipline for Good Quality 1,3-Dimethylurea - Flourescent brightener ER – Kunxiangda , The product will supply to all over the world, such as: Jordan, El Salvador, Irish, We follow superior mechanism to process these products that ensure optimum durability and reliability of the products. We follow latest effective washing and straightening processes that allow us to offer unmatched quality of products for our clients. We continually strive for perfection and all our efforts are directed towards attaining complete client satisfaction.
By Alberta from Mali - 2018.07.26 16:51
This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
By Sarah from Manila - 2017.10.27 12:12