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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.

Pigment red 144 trade name is fast red br and cas number is 5280-78-4,pigment red 144 mainly used in plastic, rubber, paint and ink color.

China optical brightener catalog of fluorescent brightener kcb for shoe material, leatherette fluorescent brightener agent fp 127 provided by china manufacturer…

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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brown color pigment for coating wholesaler manufacturer with years's experience, from China.We mainly supply brown color pigment for coating wholesaler with top quality and competitive price tag.we've got a professional brown color pigment for coating wholesaler product designers.Our solution is by way of the national specialist certification.

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