... dissolution velocity* Stabilizes borehole, reduces torque, improves quality of mud cake* Passes solid equipment smoothly, high efficiency, ... viscosity. It can effectively control fluid loss of drilling fluid, improve quality of mud cake, and be used for ... ItemSpecificationAppearance Emulsion liquidpH6 ~ 9Solid content, % ≥30Apparent viscosity of 1% aqueous solution, mPa.s ≥20At room temperature, ...