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The whitening effect of optical brightener agent could be estimated by visual method which better under the sunlight or measure by colorimeter. 3.light fastness there is no international standard for testing optical brightener lightfastness in plastics.most tests used din 54004 for reference.

Application it is mainly used for whitening synthetic detergents and soaps. it can also be used for whitening cotton, linen, nylon wool and paper.it is suitable for whitening cotton, terylene blended fabric and whitening of cotton blended fabric and widely used in detergents, bleaching and dyeing, paper, dyes and other.

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 …

China pigment red 57:1find detail solvent based ink, solvent based ink printers from xiamen azocolor co., ltd.

CBS X optical brightening agent for plastic additive fast delivery exporter from China, we're probably the most expert supplier from USA with ISO9001 Certification. Also the items have already been certified by mutiple safety certification.We'll offer our CBS X optical brightening agent for plastic additive fast delivery priducts in top-quality and most favourable value.


We're an enterprise that export CBS X optical brightening agent for plastic additive fast delivery to China, we're approved by the relevant state registratio. Key CBS X optical brightening agent for plastic additive fast delivery and sell to various regions in China, solution readily available upon request. We have the spirit of "customer first, honesty first" principle, with a quantity of enterprises established long-term cooperative relationship.

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