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Typical optical brightener for textiles is er-i, er-ii, 4bk. er-i is also known as fluorescent brightener 199. it’s used in whitening and brightening polyester fiber. er-ii is also known as fluorescent brightener 199:1, used to whitening polyester, polyester/cotton, polyester/yarn, polyester/linen, and other blended fabrics. both cas number is 13001-39-3 and could be in …

Optical brightening agent 31# cas:12224-06-5 manufacturer, fluorescent brightener vbl supplier, optical brightening agent 31# producer from china, offering highest quality optical brightening agent vbl to global customers

China detergent using oba 71 cas 16090-02-1, find details about china cxt, optical brightener 71 from detergent using oba 71 cas 16090-02-1nanjing lepuz chemical co., ltd.

These whitening agents 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 brighteners are used in engineering plastics like thermoplastic polyurethanes, polyvinylchlorides (pvc), styrene homo- and copolymers and polyolefins among others.

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OB 1 fluorescent brightener for plastic products distributor manufacturer with years's encounter, from China.We mainly supply OB 1 fluorescent brightener for plastic products distributor with high quality and competitive cost.we have an expert OB 1 fluorescent brightener for plastic products distributor solution designers.Our product is by way of the national professional certification.

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