... HV 95% 98% OEM is accepted with special specs . Usage:Polyanionic Cellulose (PAC) -HV is for water-based drilling fluids, which can effectively ... and suspension properties in a wide variety of fluid environment.Polyanionic Cellulose (PAC) -LV is for use in solids-laden, water-based ... (YP)≥6567Fluid Loss(ml) ≤87.6 PAC LV / HV 98% Specs CMC -- Cellulose , PAC -- CMC HV , CMC LV , PAC LV , PAC HV , PAC R