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Optical brightening agent vbl cas:12768-92-2 manufacturer, fluorescent brightener vbl supplier, fluorescent brightener 113 producer from china, offering highest quality optical brightening agen 113 to global customers

These whitening agents absorb light in the uv spectrum and emit light in the blue region of the visible spectrum to yield a brighter and fresher appearance to the plastic. optical brighteners are used in engineering plastics like thermoplastic polyurethanes, polyvinylchlorides (pvc), styrene homo- and copolymers and polyolefins among others.

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 …

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 …

BBU optical brightener for polyester supplier manufacturer with years's encounter, from China.We mainly provide BBU optical brightener for polyester supplier with premium quality and competitive cost.we've got an expert BBU optical brightener for polyester supplier solution designers.Our item is via the national qualified certification.


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