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Optical brightener brightening colors or mask yellowing by optically yield a brighter, fresher appearance. it’s synonym name oba which is also known as fluorescent whitening agent(fwa) or fluorescent brightening agent(fba). typical optical brightener for paper are vbl, bbu, hs, hst. vbl is also known as fluorescent brightener 85.

Whitening agents / optical brighteners are additives that impart brightness to polymers and intensify the degree of whiteness. these agents function on the basis of the ‘fluorescence effect’; they 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 brightener ob. fluorescent whitening agent oba184 optical brightener ob cas 7128-64-5. this product optical brightener ob can be used for whitening thermoplastic plastics, and optical brightener ob can be used for whitening thermoplastic plastics, pvc, ps, pe, pp, abs, acetate fiber, paint, coating, printing ink, etc. optical brightener ob can be added at any stage in …

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

We are an enterprise that export 351 optical brightener for pet manufacturer to China, we're approved by the relevant state registratio. Main 351 optical brightener for pet manufacturer 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.


351 optical brightener for pet manufacturer exporter from China, we are one of the most skilled supplier from USA with ISO9001 Certification. Also the items have been certified by mutiple security certification.We are going to offer you our 351 optical brightener for pet manufacturer priducts in top-quality and most favourable price.

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