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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.

Optical brightner ksn, optical brightener ksn, cas 5242-49-9 manufacturer / supplier in china, offering optical brightner ksn, pvc stabilizer additive theic cas 839-90-7, trihydroxyethyl isocyanurate (theic) and so on.

Optical brightening agent ob-1 ob1 fluorescent brightener 393 / fba 393 cas 1533-45-5 for plastic/ plastic whitening agent fob price: us $ 1-50 / kg min. order: 1 kg

Our company primarily engaged and export Manufacturer for BA fluorescent brightening agent for polyethylene in Vietnam. we depend on strong technical force and continuously develop sophisticated technology to meet the demand of Manufacturer for BA fluorescent brightening agent for polyethylene in Vietnam prospects. We're sincerely welcome mates from a variety of circles at household and abroad come to cooperate!


We attach value to innovation, specifically with patents of China on Manufacturer for BA fluorescent brightening agent for polyethylene in Vietnam, its excellent technologies has reached the international sophisticated level, and has a higher reputation inside the Manufacturer for BA fluorescent brightening agent for polyethylene in Vietnam sector. Our group not just has exceptional researchers and industry nationwide sales and service network, but additionally are China shoppers specified brand manufacturers.

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