... R&D 4.satisfied after-sales service CMCCARBOXYMETHYL CELLULOSE SODIUM CMC:Petroleum grade Product features: 1, high degree of substitution, ... in drilling of oil . Petroleum grade Product: PAC-LV, PAC-R, CMC-LV, CMC-HV CMC PAC LV 95% ParameterQuality Index ResultPurity, % PAC ≥9595.5Degree ... Point (YP) ≤3.02Fluid Loss(ml) ≤8.07.0 CMC PAC HV 95% ParameterQuality Index ResultPurity, % ≥9595.3Degree of ...