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Brightener brightening agent fabric brightening agent manufacturer optical brightener 4bk optical brightening agent 4bk whitening agent for cotton fabric us $3.00$3.50 / kilogram

Alibaba offers 142 optical brightener agent vbl products. such as free samples, paid samples.

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.

Optical brightening agent er-iii cas no. 13001-40-6 chemical name: 1,4'-bis(2-cyanostyryl) benzole specifications appearance slight yellow greenish powder melting point 288-201 ℃ purity ≥99% moisture content ≤0.5 application optical brightener 199 is used to the whitening process of dacron, acetic fiber, polyamide fiber, blends of terylene-cotton etc.

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FP 127 optical brightener agent for plastics for sale manufacturer with years's encounter, from China.We mainly supply FP 127 optical brightener agent for plastics for sale with high quality and competitive cost.we have an expert FP 127 optical brightener agent for plastics for sale solution designers.Our product is by way of the national professional certification.

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