17-99L 醇解度:99.0-100.0 粘度:22.0-28.0 挥发分:≤5.0 纯度:≥93.5 灰分:≤0.7 PH值:5-7 :20-99L 醇解度:99.0-100.0 粘度:35.0-43.0 挥发分:≤5.0 纯度:≥93.5 灰分:≤0.7 PH值:5-7 24-99L 醇解度:99.0-100.0 粘度:58.0-68.0 挥发分:≤5.0 纯度:≥93.5 灰分:≤0.7 PH值:5-7 26-99L 醇解度:99.0-100.0 粘度:68.0-78.0 挥发分:≤5.0 纯度:≥93.5 灰分:≤0.7 PH值:5-7