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Alibaba offers 142 optical brightener agent vbl products. such as free samples, paid samples.

Nov 12, 2020 · buyers can post inquiries without registration and check out all the latest buying guide & chemical market reports you need in our industry resource center. the above is the search results for chinese optical brightener, click for more recommended manufacturers & suppliers listings such as fluorescent brightener, fluorescent whitening agent, ob-1.

Optical brighteners, optical brightening agents (obas), fluorescent brightening agents (fbas), or fluorescent whitening agents (fwas), are chemical compounds that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm) by fluorescence.these additives are often used to enhance …

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.

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We are an enterprise that export Good price for 4BK fluorescent brightening agent for paint to China, we're approved by the relevant state registratio. Main Good price for 4BK fluorescent brightening agent for paint and sell to several regions in China, solution available upon request. We've the spirit of "customer initially, honesty first" principle, having a number of enterprises established long-term cooperative partnership.

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