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(1) fluorescent brightenening agent vbl is a typical representative of bis(triazinylamino)stilbene derivative. (2) it can be soluble in 80 times soft water and shows anion character and the ph value resistant to acid and alkali is 6-11 and the expected ph value of dyeing bath is 8-9.

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, megha international established in the year 1997 as one of the leading manufacturer, supplier and exporter of high quality optical brightening agents from mumbai,maharashtra,india. we offer this optical brightening agents at the most competitive prices.

As a optical brightener agent factory, we can export you optical brightener agent ob, ob-1, fp-127, cbs-x, er, 4bk, mst, swn. oba powder can be used for textile dyes, plastic, detergent and paper industry. more product please view hifactory.

We're an enterprise that export ER II optical whitening agent for polyethylene Exporters in Vietnam to China, we're approved by the relevant state registratio. Key ER II optical whitening agent for polyethylene Exporters in Vietnam and sell to many regions in China, product obtainable upon request. We've the spirit of "customer first, honesty first" principle, using a quantity of enterprises established long-term cooperative connection.


ER II optical whitening agent for polyethylene Exporters in Vietnam exporter from China, we're one of the most skilled supplier from USA with ISO9001 Certification. Also the items happen to be certified by mutiple safety certification.We will provide our ER II optical whitening agent for polyethylene Exporters in Vietnam priducts in top-quality and most favourable value.

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