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Optical brightening agent cxt is packed per 25kg in cardboard box or drum after being packed in plastic bag first. we have rich experiences in exporting and importing. we have good cooperation with world wide express like dhl, ups etc and also shipping line to ensure the samples and goods can be reach to the cutomers at soonest speed. 4.

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.

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 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 …

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We're an enterprise that export China 184 fluorescent brightening agent for white masterbatch in Vietnam to China, we're authorized by the relevant state registratio. Main China 184 fluorescent brightening agent for white masterbatch in Vietnam and sell to many regions in China, item readily available upon request. We've the spirit of "customer first, honesty first" principle, using a quantity of enterprises established long-term cooperative connection.

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