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Typical optical brightener for textiles is er-i, er-ii, 4bk. er-i is also known as fluorescent brightener 199. it’s used in whitening and brightening polyester fiber. er-ii is also known as fluorescent brightener 199:1, used to whitening polyester, polyester/cotton, polyester/yarn, polyester/linen, and other blended fabrics. both cas number is 13001-39-3 and could be in …

Optical brightener cxt or o.b.a.71 for detergent powder , find complete details about optical brightener cxt or o.b.a.71 for detergent powder,optical brightener 71,fluorescent brightener cxt,o.b.a.71 from dyestuffs supplier or manufacturer-tianjin leading import & export co., ltd.

China factory for fba 368optical brightener agent cxt for detergent – credit product detail physical characteristics

Optical brightening agent er-iii cas no. 13001-40-6 chemical name: 1,4'-bis(2-cyanostyryl) benzole specifications appearance slight yellow greenish powder melting point 288-201 ℃ purity ≥99% moisture content ≤0.5 application optical brightener 199 is used to the whitening process of dacron, acetic fiber, polyamide fiber, blends of terylene-cotton etc.

We're an enterprise that export CXT bleaching powder for coating fast delivery to China, we're approved by the relevant state registratio. Key CXT bleaching powder for coating fast delivery and sell to various regions in China, solution readily available upon request. We have the spirit of "customer first, honesty first" principle, with a quantity of enterprises established long-term cooperative relationship.


We are an enterprise that export CXT bleaching powder for coating fast delivery to China, we're authorized by the relevant state registratio. Key CXT bleaching powder for coating fast delivery and sell to numerous regions in China, solution offered upon request. We've the spirit of "customer initial, honesty first" principle, having a number of enterprises established long-term cooperative connection.

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