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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 …

Factory supply fluorescent brightener vbl cas 12768-92-2 cas 28950-61-0 cas5089-22-5 cas 16470-24-9. ... chemicals raw materials optical brightening agent vbl 85 fluorescent brightener vbl 85 for cotton fabric. chongqing jinlinyuan environmental protection technology co., …

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.

Optical brighteners are added during the thermoplastic molding process, rather than added in liquid form afterward, that’s the word “mass-whitening” come from. generally, obas were mixed with powder or granules plastic for flexible pvc, obas were added in …

We attach value to innovation, especially with patents of China on OB 1 optical brightening agent for paper making producer, its excellent technology has reached the international advanced level, and has a higher reputation inside the OB 1 optical brightening agent for paper making producer industry. Our group not merely has excellent researchers and business nationwide sales and service network, but additionally are China prospects specified brand companies.


OB 1 optical brightening agent for paper making producer goods supplier in China,we assistance our customers with most effective high-quality products and higher level service.Being the specialist manufacturer within this industry,we have gained rich expertise in generating and managing.Our OB 1 optical brightening agent for paper making producer items won certifications with the nearby and international main authorities .For much more detailed facts,please make contact with us!

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