• Optical Brightener

Optical brightener typically work by reducing the yellowness and improving whiteness. Doing so, they help to enhance the overall brightness of any products.


Optical Brightener for plastics




FB 135  (PF)

PF is suitable for whitening polyester fiber, polyamide fiber and acetate fiber, or synthetic fiber -cotton,-wool or -silk blend fabric. Light-colored or printed fabric treated with PF looks brighter and more pleasant to eye.

FB 184(OB)


OB can be used for whitening thermoplastic, plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in process for shining the polymers and can give the finished products a bright bluish white glaze.

FB 185(EBF)


EBF is a whitening agent(Optical Brightener) with blue white shade commonly used for polyester, acetate triacetate fibers, polyamide, polyvinylchloride fibers and their blends in all stages of process both at home and abroad due to its fastness.

FB 199 (KB/ER)


ER in the form of refined powder is very suitable for whitening and brightening polyester fiber and has good whitening effect on plastics such as PE, PP and PVC and their process of shaping with polyester chips or recovered polyester chips.

FB 367(KCB)


KCB can be used for whitening and brightening plastic films, injection molded materials, EVA foamed plastics and rubber products, and whitening coatings and lacquer. It is similar to the products such as Hostalux KCB and Hoechst T1258 made in foreign country.

FB 368(KSN)


KSN's chemical structure is similar to OB-1's, but has much better whitening effects than OB-1 on polyester fibres and plastics, its compatibility with plastics is better than OB-1's too, highly whitening effects is available with only small dosage.

FB 378(FP)


FP has very good whitening effect on various kinds of plastics and their products, especially on the products of plastics such as PVC and PS. It has extra ideal whitening and brightening effects on artificial leathers. No yellowing and discoloring will occur.

FB 393 (OB-1)


OB-1 is especially suitable for shaping various kinds of plastics and thei products under high temperature. It has an extra ideal whitening effect on polyester-cotton blend fabric. It can be used for whitening polyester melt. This whitening agent is similar.