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Ask for price we provide quality optical whitening agent or optical brightening agents for various requirements of textile, paper and detergent industries. available at competitive prices, our optical whitening agent are suitable for different applications and in …

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 ...

Molecular formula:c 18 h 15 cln 2 o 6 s molecular weight: 422.84 cas registry number:7023-61-2 manufacturing methods :2-amino-4-chloro-5-methylbenzenesulfonic acid diazotization, and 3-hydroxy-2-naphthoic acid coupling, and then into calcium salt. properties and applications:brilliant red, shallow blue light pink.purple red powder. insoluble in water and ethanol.

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 attach value to innovation, specifically with patents of China on Manufacturer for green G pigments for textile, its excellent technology has reached the international sophisticated level, and includes a higher reputation inside the Manufacturer for green G pigments for textile business. Our group not simply has exceptional researchers and industry nationwide sales and service network, but additionally are China consumers specified brand producers.


Professional Manufacturer for green G pigments for textile solutions of China supplier for international and nearby trade company.Getting the top merchandise of our factory,our Manufacturer for green G pigments for textile merchandise series have been tested and won us qualified authority certifications. For far more parameters and item list details,please click the button to obtain far more info.

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