DESCRIPTION: PAC HV is high molecular weight poly anionic cellulose with high viscosity. It is a highly effective fluid loss reducer and secondary viscosifier for water based drilling muds system including salt water and saturated salt water drilling fluids. FEATURES: ? Readily disperse. ? Produces a tough thin filter cake ? Excellent fluid loss control in fresh and saturated salt muds ? Thermal stability to 150℃ ? Non-toxic and Environment responsible