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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.

Factory supply fluorescent brightener vbl cas 12768-92-2 cas 28950-61-0 cas5089-22-5 cas 16470-24-9. ... chemicals raw materials optical brightening agent vbl 85 fluorescent brightener vbl 85 for cotton fabric. chongqing jinlinyuan environmental protection technology co., …

A wide variety of red 2 pigment options are available to you, such as coating pigment, ink pigments, and ceramic pigments. you can also choose from rare earth powder. as well as from iron oxide, titanium, and lead. and whether red 2 pigment is organic pigment, or inorganic pigment. there are 6,736 red 2 pigment suppliers, mainly located in asia.

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.

service for OB fluorescent brightening agent for paper could be the item that we've continued to emerge inside the China market and achieved good reputation. Our merchandise promoting network at all over the China regions. More than 10 years, we have created into a high-volume, multi-function of your characteristics, it could completely meet the wants on the service for OB fluorescent brightening agent for paper sector.


We attach value to innovation, particularly with patents of China on service for OB fluorescent brightening agent for paper, its superb technology has reached the international advanced level, and has a high reputation in the service for OB fluorescent brightening agent for paper business. Our group not merely has excellent researchers and business nationwide sales and service network, but in addition are China prospects specified brand makers.

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