Disulfonated optical brightener for paper industry, E value 370 or higher. Strength 100% to 140%

Property:

* Readily soluble in water, acid-resistant, alkali-resistant,

* Better whitening effect than VBL at pH 4.5-7.

* Can be used in the one bath with anionic or nonionic surfactants.

 

Application:

Mainly applied to whiten paper pulp, surface sizing, coating, and also applied to whiten cotton, linen and cellulose fiber as well as cellulose fabrics, and to brighten light-colored cellulose fabrics.

 

Optical brightener SUNOB BA