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Applications of optical brightening agent er-i. fluorescent brightener 199 (optical brightening agent er-i) is very suitable for whitening and brightening polyester fiber and has good whitening effect on plastics such as pe, pp and pvc and their process of shaping with polyester chips or recovered polyester chips. in addition, the refined ...

1, color matching is easy for us, equipped with xrite most powerful software, we capable of matching color of a pantone color, a lab value, a plastic color chip, a pigment or solvent dyes. if you have a color or pigment to match or analysis, start a chat with us. 2, antioxidant provide heat protection, uv stabilizer provide light protection for ...

These whitening agents 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. optical brighteners are used in engineering plastics like thermoplastic polyurethanes, polyvinylchlorides (pvc), styrene homo- and copolymers and polyolefins among others.

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.

Factory for OB 1 optical brightener for polyester manufacturer with years's experience, from China.We mainly provide Factory for OB 1 optical brightener for polyester with high quality and competitive cost.we've an expert Factory for OB 1 optical brightener for polyester item designers.Our product is by means of the national experienced certification.


Our corporation mostly engaged and export Factory for OB 1 optical brightener for polyester. we rely on sturdy technical force and constantly create sophisticated technology to meet the demand of Factory for OB 1 optical brightener for polyester consumers. We are sincerely welcome close friends from different circles at residence and abroad come to cooperate!

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