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Factory supply fluorescent brightener vbl cas 12768-92-2 cas 28950-61-0 cas5089-22-5 cas 16470-24-9. ... chemicals raw materials optical brightening agent vbl 85 fluorescent brightener vbl 85 for cotton fabric. chongqing jinlinyuan environmental protection technology co., …

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.

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Whitening agents / optical brighteners are additives that impart brightness to polymers and intensify the degree of whiteness. these agents function on the basis of the ‘fluorescence effect’; they absorb light in the uv spectrum and emit light in the blue region of the visible spectrum to yield a brighter and fresher appearance to the plastic.

We are an enterprise that export China VBL optical whitening agent for soap in Vietnam to China, we're authorized by the relevant state registratio. Key China VBL optical whitening agent for soap in Vietnam 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.


Our corporation primarily engaged and export China VBL optical whitening agent for soap in Vietnam. we depend on sturdy technical force and continually create sophisticated technologies to meet the demand of China VBL optical whitening agent for soap in Vietnam clients. We are sincerely welcome good friends from numerous circles at dwelling and abroad come to cooperate!

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