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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 ...

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.

Shandong raytop chemical co.ltd enganed in developement and manufacturing optical brightener from 2005,our high quality enjoy good reputation in china and abroad,leading products are plastics optical brighteing agent ob ob-1 fp-127 ksn kcb,detergent optic

Alibaba offers 3,009 solvent base ink pigment products. about 46% of these are printing inks, 19% are pigment. a wide variety of solvent base ink pigment options are available to you, such as water based ink, titanium, and iron oxide.

We are an enterprise that export red lake C pigment for plastic supplier to China, we're authorized by the relevant state registratio. Key red lake C pigment for plastic supplier and sell to numerous regions in China, solution offered upon request. We've the spirit of "customer initial, honesty first" principle, having a number of enterprises established long-term cooperative connection.


Our corporation primarily engaged and export red lake C pigment for plastic supplier. we depend on sturdy technical force and continually create sophisticated technologies to meet the demand of red lake C pigment for plastic supplier clients. We are sincerely welcome good friends from numerous circles at dwelling and abroad come to cooperate!

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