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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 ...

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 brighteners are added during the thermoplastic molding process, rather than added in liquid form afterward, that’s the word “mass-whitening” come from. generally, obas were mixed with powder or granules plastic for flexible pvc, obas were added in …

We attach value to innovation, especially with patents of China on supply ER II fluorescent brightener for plastics, its excellent technology has reached the international advanced level, and has a higher reputation inside the supply ER II fluorescent brightener for plastics industry. Our group not merely has excellent researchers and business nationwide sales and service network, but additionally are China prospects specified brand companies.


Expert supply ER II fluorescent brightener for plastics items of China supplier for international and local trade enterprise.Becoming the ideal merchandise of our factory,our supply ER II fluorescent brightener for plastics goods series happen to be tested and won us qualified authority certifications. For far more parameters and item list particulars,please click the button to acquire far more information.

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