Has better cutting and thinning ability,can effecitivly carry debris, keep the best performance of cleaning well, prevent the we VISCOSIFYING FILTRATE REDUCER POLYMERADVANTAGESImprove flow pattern, viscosity of water-based drilling mudEnhance the ratio of dynamic shear force value to plastic viscosityHas better cutting and thinning ability,can effecitivly carry debris, keep the best performance ...