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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.

About. day-glo color corp. is the world’s largest manufacturer of daylight fluorescent pigments. we develop technologies that improve and enhance any color.

Our business mostly engaged and export ER I optical brightening agent powder fast delivery. we rely on strong technical force and regularly create sophisticated technologies to meet the demand of ER I optical brightening agent powder fast delivery clients. We are sincerely welcome good friends from a variety of circles at home and abroad come to cooperate!


ER I optical brightening agent powder fast delivery manufacturer with years's experience, from China.We mainly provide ER I optical brightening agent powder fast delivery with premium quality and competitive price tag.we've an expert ER I optical brightening agent powder fast delivery item designers.Our item is through the national professional certification.

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