... , good uniformity of substitution . 2, high transparency, viscosity and water loss can be controlled . 3, suitable ... 95% ParameterQuality Index ResultPurity, % PAC ≥9595.5Degree of substitution ≥0.91.0Moisture, % ≤87.5Fresh Water SolutionPlastic Viscosity (PV) ... 95% ParameterQuality Index ResultPurity, % ≥9595.3Degree of substitution ≥0.90.98Moisture, % ≤86.5Fresh Water SolutionPlastic Viscosity (PV) ≥ ...