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Optical brightening agent / optical brightener 4bk c.i. 113: optical brightener 4bk c.i. 113: c.i. 113: cas 12768-92-2: structure: stilbene bistriazine derivative: moisture: 5%max: appearance: slight yellow uniform powder: shade:slight bluish: strength: 100±3%: fineness(120 meshes residue): 5%max: application: mainly be used in whitening of ...

We claim: 1. a non-fluorescent ink composition for a writing instrument comprising a non-fluorescent pigment pre-dispersed in an alkyd resin, a high boiling point hydrocarbon solvent, and at least one stabilizer selected from the group consisting of antioxidants and anti-skinning agents, wherein the stabilizer of the ink composition prevents the alkyd resin from polymerizing, and the ink …

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.

Offering very best excellent BA fluorescent brightener for pet manufacturer items,we are specialist manufacturer in China.Wining the majority of the critical certifications of its business,our BA fluorescent brightener for pet manufacturer items are most effective sellers on the nearby and international market. When you need to have a lot more information about our factory and product list,please click the button bellow to check for it.


We're an enterprise that export BA fluorescent brightener for pet manufacturer to China, we're authorized by the relevant state registratio. Major BA fluorescent brightener for pet manufacturer and sell to many regions in China, solution readily available upon request. We have the spirit of "customer 1st, honesty first" principle, with a quantity of enterprises established long-term cooperative partnership.

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