CMS is a kind of modified starch with carboxymethyl etherification, performance is better than that of carboxymethyl cellulose (CMC) with competive price. It is the best products to replace the CMC.
CMS has a good performance in adhesion, thickening, water emulsion, suspension, dispersion, etc. As mud stabilizers in oil drilling and water retention agent, it could reduce the water loss, improve the stability of the coalescence of clay particles in drilling fluid role.