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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 ...

Optical brightener agent (oba) vbl/fluorescent brightener 85 , find complete details about optical brightener agent (oba) vbl/fluorescent brightener 85,optical brightener agent,oba,fluorescent whitener from paper chemicals supplier or manufacturer-shijiazhuang he dye chem co., ltd.

Fancheng chemical is professional in manufacturing and supplying quality and colorful organic pigment for plastic, organic pigment for printing ink, organic pigment for coating to different customers. cooperating with many professional scientific research institutions, we can assure you the high quality of our pigment. don't hesitate to buy.

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.

We are suppliers of all type of chemical powder for the whitening of plastic film PVC TPR EVA optical brightener agent for cotton moved in industry for good sales, we've chemical powder for the whitening of plastic film PVC TPR EVA optical brightener agent for cotton type and specification's that will suit our customer's satisfaction. We've got also attached chemical powder for the whitening of plastic film PVC TPR EVA optical brightener agent for cotton samples and also other of our desires together with the above attached catalog sample.


We are an enterprise that export chemical powder for the whitening of plastic film PVC TPR EVA optical brightener agent for cotton to China, we are approved by the relevant state registratio. Primary chemical powder for the whitening of plastic film PVC TPR EVA optical brightener agent for cotton and sell to different regions in China, product out there upon request. We've got the spirit of "customer initial, honesty first" principle, using a quantity of enterprises established long-term cooperative connection.

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