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Optical brighteners for plastic industry. to satisfy the requests and needs of our regarded customers, we exchange and supply excellent scope of optical brightener plastics for plastic industry.all the offered specialists are broadly used to accumulate out intrinsic yellowness paints, inks, plastics, photographic arrangements and filaments.

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.

Masterbatch is mainly available in the form of standard pellets but also in the form of mini-pellets. a distinction is made between white, black and colored masterbatch depending on the pigment type. the premix, split-feed and color-matching processes are available for compounding masterbatch.

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 …

We attach value to innovation, especially with patents of China on Manufacturer for 135 optical whitening agent for white masterbatch, its superb technology has reached the international sophisticated level, and has a high reputation within the Manufacturer for 135 optical whitening agent for white masterbatch industry. Our group not only has excellent researchers and business nationwide sales and service network, but additionally are China shoppers specified brand companies.


We attach value to innovation, specifically with patents of China on Manufacturer for 135 optical whitening agent for white masterbatch, its superb technology has reached the international sophisticated level, and has a high reputation in the Manufacturer for 135 optical whitening agent for white masterbatch market. Our group not merely has outstanding researchers and industry nationwide sales and service network, but in addition are China shoppers specified brand manufacturers.

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