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Optical brightening agent / optical brightener 4bk c.i. 113: optical brightener 4bk c.i. 113: c.i. 113: cas 12768-92-2: structure: stilbene bistriazine derivative: moisture: 5%max: appearance: slight yellow uniform powder: shade:slight bluish: strength: 100±3%: fineness(120 meshes residue): 5%max: application: mainly be used in whitening of ...

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., …

Pigment red 144 trade name is fast red br and cas number is 5280-78-4,pigment red 144 mainly used in plastic, rubber, paint and ink color.

Expert professional KCB fluorescent brightening agent liquid in Vietnam items of China supplier for international and local trade enterprise.Becoming the ideal merchandise of our factory,our professional KCB fluorescent brightening agent liquid in Vietnam goods series happen to be tested and won us qualified authority certifications. For far more parameters and item list particulars,please click the button to acquire far more information.


professional KCB fluorescent brightening agent liquid in Vietnam Supplier with a higher enterprise reputation,from China.Our solutions contain:professional KCB fluorescent brightening agent liquid in Vietnam Solutions are mainly exported to European nations,it is actually well known in quite a few nations.

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