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Optical brightening agent ob-1 ob1 fluorescent brightener 393 / fba 393 cas 1533-45-5 for plastic/ plastic whitening agent us $10.00$28.00 / kilogram

These whitening agents 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 brighteners are used in engineering plastics like thermoplastic polyurethanes, polyvinylchlorides (pvc), styrene homo- and copolymers and polyolefins among others.

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 …

Good whitening effect on cotton fabric even under strong alkalic or acidic conditions. optical brightener cf-90: c.i.134 whitening agent for cotton: optical brightener ms: c.i.353 (liquid) mainly used as whitening of cotton and linen, silk, polyamide fiber, wool and paper. optical brightener 4bk 27344-41-8: whitening agent for cotton fabric.

China BBU fluorescent brightening agent for paper in Vietnam Supplier having a high organization reputation,from China.Our items include:China BBU fluorescent brightening agent for paper in Vietnam Products are mainly exported to European countries,it really is well known in several nations.


Our corporation primarily engaged and export China BBU fluorescent brightening agent for paper in Vietnam. we depend on sturdy technical force and continually create sophisticated technologies to meet the demand of China BBU fluorescent brightening agent for paper in Vietnam clients. We are sincerely welcome good friends from numerous circles at dwelling and abroad come to cooperate!

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