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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 brightening agent er-iii cas no. 13001-40-6 chemical name: 1,4'-bis(2-cyanostyryl) benzole specifications appearance slight yellow greenish powder melting point 288-201 ℃ purity ≥99% moisture content ≤0.5 application optical brightener 199 is used to the whitening process of dacron, acetic fiber, polyamide fiber, blends of terylene-cotton etc.

We offer products in various forms such as pastes, powder blends or granulated systems based on polyolefins, plasticized pvc, styrenics, engineering resins, among others. we offer an extremely wide range of colorants with tailor made solutions for masterbatches and compounds covering different types of products.

We are suppliers of all kind of export 135 fluorescent brightening agent for white masterbatch moved in marketplace for wonderful sales, we've got export 135 fluorescent brightening agent for white masterbatch form and specification's which will suit our customer's satisfaction. We have also attached export 135 fluorescent brightening agent for white masterbatch samples and other of our requires with all the above attached catalog sample.


export 135 fluorescent brightening agent for white masterbatch solutions supplier in China,we support our clients with best high-quality goods and high level service.Getting the professional manufacturer within this industry,we've gained rich experience in making and managing.Our export 135 fluorescent brightening agent for white masterbatch products won certifications of your local and international primary authorities .For far more detailed information and facts,please contact us!

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