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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 ...

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 …

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

Oba speciality chemicals is a leading fluorescent whitening agent, fluorescent whitening agent manufacturers, fluorescent whitening agent exporters & fluorescent whitening agent suppliers in ahmedabad, gujarat, india.

Offering most effective good quality ER I fluorescent brightening agent powder factory items,we are experienced manufacturer in China.Wining the majority of the crucial certifications of its market,our ER I fluorescent brightening agent powder factory products are best sellers from the nearby and international market place. Should you require a lot more information about our factory and item list,please click the button bellow to check for it.


We're an enterprise that export ER I fluorescent brightening agent powder factory to China, we're authorized by the relevant state registratio. Major ER I fluorescent brightening agent powder factory and sell to many regions in China, solution readily available upon request. We have the spirit of "customer 1st, honesty first" principle, with a quantity of enterprises established long-term cooperative partnership.

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