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Whitening agent for cotton: optical brightener mst: c.i.353 (liquid) 52301-70-9: mainly used as whitening of cotton and linen, silk, polyamide fiber, wool and paper. optical brightener 4bk : whitening agent for cotton fabric. (6) oba used in wool: optical brightener nfw: c.i.351 (liquid) 27344-41-8: used in wool, nylon, silk, polyamide and ...

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.

(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.

Shandong raytop chemical co.ltd enganed in developement and manufacturing optical brightener from 2005,our high quality enjoy good reputation in china and abroad,leading products are plastics optical brighteing agent ob ob-1 fp-127 ksn kcb,detergent optic

We attach importance to innovation, specifically with patents of China on fast pink organic pigments for pvc factory in Vietnam, its excellent technologies has reached the international advanced level, and includes a high reputation inside the fast pink organic pigments for pvc factory in Vietnam market. Our group not only has fantastic researchers and market nationwide sales and service network, but also are China customers specified brand suppliers.


fast pink organic pigments for pvc factory in Vietnam 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 fast pink organic pigments for pvc factory in Vietnam priducts in top-quality and most favourable price.

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