TEGO® Dispers 686 is a tailor-made dispersant for preparation of s/b re-dispersible matting concentrate, it has excellent re-dispersibility, it can prepare high matting agent loading concentrate (20% matting agent content) and make sure good storage stability. The matting concentrate made by TEGO® Dispers 686 has equivalent matting efficiency compare with direct dispersing matting agent in finished coating, and it shows excellent gloss stability and anti-settling property. TEGO® Dispers 686 is 100% active matter content, solvent-free and APEO free, it is an environmental product and suitable for modern low VOC formulations. Furthermore, the product can be used also for the manufacture of w/b matting concentrates. Therefore it is possible to use only one dispersant for matting agent concentrate in both Solvent-borne and Water-borne.