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Brightener brightening agent fabric brightening agent manufacturer optical brightener 4bk optical brightening agent 4bk whitening agent for cotton fabric us $3.00$3.50 / kilogram

Application it is mainly used for whitening synthetic detergents and soaps. it can also be used for whitening cotton, linen, nylon wool and paper.it is suitable for whitening cotton, terylene blended fabric and whitening of cotton blended fabric and widely used in detergents, bleaching and dyeing, paper, dyes and other.

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.

Solvent based inks include pigment and resin (binder), together constituting the solid component of the ink, diluted using a solvent. solvent based inks are used for printing in two distinct technologiesgravure print and flexo print. another classification of solvent-based inks is in accordance to the type of print and packaging nature.

We're an enterprise that export OB fluorescent brightening agent for plastic and fiber distributor to China, we're authorized by the relevant state registratio. Major OB fluorescent brightening agent for plastic and fiber distributor 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.


OB fluorescent brightening agent for plastic and fiber distributor exporter from China, we are the most expert supplier from USA with ISO9001 Certification. Also the items have been certified by mutiple security certification.We'll offer you our OB fluorescent brightening agent for plastic and fiber distributor priducts in top-quality and most favourable price.

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