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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 ...

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 …

Americos white r liquid is fluorescence brightening agent for polyester fibers. it gives brilliant whitening effect which has good fastness to sublimation, light and wet processing. it can be applied by high temperature exhaust or pad-thermo sol method and suitable for whitening effect on texturised polyester and polyester / cotton.

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.

service for permanent yellow fluorescent pigment in Vietnam manufacturer with years's experience, from China.We mainly supply service for permanent yellow fluorescent pigment in Vietnam with top quality and competitive value.we've a professional service for permanent yellow fluorescent pigment in Vietnam product designers.Our item is by way of the national specialist certification.


service for permanent yellow fluorescent pigment in Vietnam will be the product that we've got continued to emerge inside the China marketplace and achieved excellent reputation. Our items advertising and marketing network at all more than the China regions. Extra than 10 years, we have developed into a high-volume, multi-function with the qualities, it could totally meet the demands on the service for permanent yellow fluorescent pigment in Vietnam industry.

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