... :Petroleum grade Product features: 1, high degree of substitution, good uniformity of substitution . 2, high transparency, viscosity and ... brine slurry . 4, stabilize soft soil structure, prevent collapse of wall of a well . 5, can improve mud-making volum, ... LV 95% ParameterQuality Index ResultPurity, % PAC ≥9595.5Degree of substitution ≥0.91.0Moisture, % ≤87.5Fresh Water SolutionPlastic Viscosity ...