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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 ...

Whitening agents / optical brighteners are additives that impart brightness to polymers and intensify the degree of whiteness. these agents function on the basis of the ‘fluorescence effect’; they absorb light in the uv spectrum and emit light in the blue region of the visible spectrum to yield a brighter and fresher appearance to the plastic.

China factory for fba 368optical brightener agent cxt for detergent – credit product detail physical characteristics

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We are an enterprise that export excellent quality OB fluorescent brightening agent for paper to China, we're approved by the relevant state registratio. Main excellent quality OB fluorescent brightening agent for paper and sell to several regions in China, solution available upon request. We've the spirit of "customer initially, honesty first" principle, having a number of enterprises established long-term cooperative partnership.


excellent quality OB fluorescent brightening agent for paper exporter from China, we're essentially the most qualified supplier from USA with ISO9001 Certification. Also the solutions have already been certified by mutiple safety certification.We'll offer you our excellent quality OB fluorescent brightening agent for paper priducts in top-quality and most favourable value.

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