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Sylic fluorescent whitening agent / optical brightening agent 588 vbl for polyester triacetate fiber application hangzhou chungyo chemicals co., ltd. us $1.00-$2.00 / kilogram

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.

New bleaching powder products manufacturing in china, with stylish and cool design emerge. source new and latest bleaching powder products in 2020 from credible china manufacturers, suppliers and factories. contact most popular products of manufacturers, trading companies, wholesalers & exporter directly on made-in-china

Providing greatest quality Supply purple fluorescent pigment for offset ink items,we're specialist manufacturer in China.Wining the majority of the crucial certifications of its sector,our Supply purple fluorescent pigment for offset ink items are best sellers on the neighborhood and international market. For those who need additional information about our factory and item list,please click the button bellow to verify for it.


Providing finest top quality Supply purple fluorescent pigment for offset ink products,we're specialist manufacturer in China.Wining the majority of the important certifications of its market,our Supply purple fluorescent pigment for offset ink merchandise are greatest sellers on the local and international marketplace. In case you need much more information about our factory and item list,please click the button bellow to check for it.

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