we are professional ! pls see below details CMC LV / HV 65% - 70% PAC LV / HV 95% 98% OEM is accepted with special specs . ... , without causing significant increases in viscosity or gel strength. CMC LV 65% ItemStandardTest ResultPurity, %65min70Moisture, %10%max6.8pH Value6 ... Point (YP)≥6567Fluid Loss(ml) ≤87.6 PAC LV / HV 98% Specs CMC -- Cellulose , PAC -- CMC HV , CMC LV , PAC LV , PAC HV , PAC R