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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.

1,444 solvent based ink pigment products are offered for sale by suppliers on alibaba, of which pigment accounts for 17%, printing inks accounts for 14%. a wide variety of solvent based ink pigment options are available to you, such as ceramic pigments, coating pigment.

As a optical brightener agent factory, we can export you optical brightener agent ob, ob-1, fp-127, cbs-x, er, 4bk, mst, swn. oba powder can be used for textile dyes, plastic, detergent and paper industry. more product please view hifactory.

We're suppliers of all kind of export OB 1 optical brightener for detergent moved in market for great sales, we've export OB 1 optical brightener for detergent sort and specification's that will suit our customer's satisfaction. We have also attached export OB 1 optical brightener for detergent samples along with other of our needs with the above attached catalog sample.


We're an enterprise that export export OB 1 optical brightener for detergent to China, we're authorized by the relevant state registratio. Major export OB 1 optical brightener for detergent 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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