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Optical whitener ksn, optical brightner ksn, optical brightener ksn manufacturer / supplier in china, offering optical brightner ksn for polyester with strong light, pe wax le-ma105 for masterbatches, pe wax le-h1 for pvc water pipe and calcium-zinc stabilizers and so on.

Use methods of optical brightening agent in plastics. many plastic terminal manufacturers do not know much about proper use of fluorescent whitening agent (optical brightening agent).today, anyang general chemical co., ltd. will popularize several use methods of optical brightening agent in plastics.

Optical brighteners are added during the thermoplastic molding process, rather than added in liquid form afterward, that’s the word “mass-whitening” come from. generally, obas were mixed with powder or granules plastic for flexible pvc, obas were added in …

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 …

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