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Whitening agent for cotton: optical brightener mst: c.i.353 (liquid) 52301-70-9: mainly used as whitening of cotton and linen, silk, polyamide fiber, wool and paper. optical brightener 4bk : whitening agent for cotton fabric. (6) oba used in wool: optical brightener nfw: c.i.351 (liquid) 27344-41-8: used in wool, nylon, silk, polyamide and ...

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.

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.

Fba184, fba 184, optical brightner ob manufacturer / supplier in china, offering fluorescent brightening agent fba 184 fba184, chimassorb 81 cas 1843-05-6, ca acetyl acetonate 19372-44-2 and so on. contact supplier company favorites company favorites

FP 127 optical whitening agent for plastics distributor manufacturer with years's encounter, from China.We primarily provide FP 127 optical whitening agent for plastics distributor with high quality and competitive value.we have an expert FP 127 optical whitening agent for plastics distributor item designers.Our product is via the national specialist certification.


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