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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.

Color is the best gift from nature, so don't wait any more, we will help you making life more beautiful. established in 1997, unite star is a leading chemical supplier in china specialized in exporting organic and inorganic pigments, solvent dyes and acid dyes etc. located in tianjin(tientsin) china, the biggest port of north china and major chemical manufacturer base, …

Er-iichina manufacturers, factory, suppliers we often stay with the principle "quality very first, prestige supreme". we have been fully committed to supplying our consumers with competitively priced high-quality goods, prompt delivery and skilled provider for er-ii, ob for plastic, paint dyestuffs optical whitening, cbs-x(c.i. 351) for detergent, we adhere to client 1st, top quality …

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're suppliers of all kind of 4BK optical whitening agent for pvc cable Exporters in Vietnam moved in market for great sales, we've 4BK optical whitening agent for pvc cable Exporters in Vietnam sort and specification's that will suit our customer's satisfaction. We have also attached 4BK optical whitening agent for pvc cable Exporters in Vietnam samples along with other of our needs with the above attached catalog sample.


4BK optical whitening agent for pvc cable Exporters in Vietnam exporter from China, we're by far the most professional supplier from USA with ISO9001 Certification. Also the solutions have already been certified by mutiple safety certification.We'll give our 4BK optical whitening agent for pvc cable Exporters in Vietnam priducts in top-quality and most favourable value.

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