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Optical brightener brightening colors or mask yellowing by optically yield a brighter, fresher appearance. it’s synonym name oba which is also known as fluorescent whitening agent(fwa) or fluorescent brightening agent(fba). typical optical brightener for paper are vbl, bbu, hs, hst. vbl is also known as fluorescent brightener 85.

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.

Masterbatch is mainly available in the form of standard pellets but also in the form of mini-pellets. a distinction is made between white, black and colored masterbatch depending on the pigment type. the premix, split-feed and color-matching processes are available for compounding masterbatch.

Oba speciality chemicals is a leading fluorescent whitening agent, fluorescent whitening agent manufacturers, fluorescent whitening agent exporters & fluorescent whitening agent suppliers in ahmedabad, gujarat, india.

service for FP 127 optical brightener for paper making items supplier in China,we assistance our shoppers with most effective excellent merchandise and high level service.Getting the professional manufacturer within this sector,we've gained wealthy experience in making and managing.Our service for FP 127 optical brightener for paper making solutions won certifications on the neighborhood and international most important authorities .For a lot more detailed information,please get in touch with us!


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