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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 …

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.

Optical whitening agent manufacturer, megha international is one of the leading manufacturer & exporter of non optical whitening agent from india

Offering most effective good quality export BBU fluorescent brightener for polyester items,we are experienced manufacturer in China.Wining the majority of the crucial certifications of its market,our export BBU fluorescent brightener for polyester products are best sellers from the nearby and international market place. Should you require a lot more information about our factory and item list,please click the button bellow to check for it.


Professional export BBU fluorescent brightener for polyester merchandise of China supplier for international and neighborhood trade company.Being the top solutions of our factory,our export BBU fluorescent brightener for polyester solutions series have been tested and won us experienced authority certifications. For additional parameters and item list details,please click the button to acquire additional information.

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