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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.

China solvent dye (solvent red 149) for plastic, find details about china ink, fluorescent pigment from solvent dye (solvent red 149) for plastic…

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.

Optical whitening agent manufacturer, megha international is one of the leading manufacturer & exporter of non optical whitening agent from india

Our business mostly engaged and export China KSN optical brightening agent for cotton in Vietnam. we rely on strong technical force and regularly create sophisticated technologies to meet the demand of China KSN optical brightening agent for cotton in Vietnam clients. We are sincerely welcome good friends from a variety of circles at home and abroad come to cooperate!


Our corporation primarily engaged and export China KSN optical brightening agent for cotton in Vietnam. we depend on strong technical force and continually create sophisticated technologies to meet the demand of China KSN optical brightening agent for cotton in Vietnam shoppers. We're sincerely welcome buddies from many circles at property and abroad come to cooperate!

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