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Ask for price we provide quality optical whitening agent or optical brightening agents for various requirements of textile, paper and detergent industries. available at competitive prices, our optical whitening agent are suitable for different applications and in …

Alibaba offers 142 optical brightener agent vbl products. such as free samples, paid samples.

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.

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.

BA bleaching powder for PP factory goods supplier in China,we assistance our customers with most effective high-quality products and higher level service.Being the specialist manufacturer within this industry,we have gained rich expertise in generating and managing.Our BA bleaching powder for PP factory items won certifications with the nearby and international main authorities .For much more detailed facts,please make contact with us!


We are suppliers of all kind of BA bleaching powder for PP factory moved in market place for fantastic sales, we've BA bleaching powder for PP factory type and specification's which will suit our customer's satisfaction. We've also attached BA bleaching powder for PP factory samples and other of our requires with the above attached catalog sample.

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