Perchloroethylene 99.9% Appearance:colorless and transparent liquid Use:Dry clean ,Organic ... /drumUse: Dry clean ,Organic Impregnant,Cleanout,Desulfurize Detailed Specification: ItemStamdardResultPurity % ≥99.5099.95Water Wt % PPm % ≤5020Alkalinity, NaOH, % ≤0.030.01Density P20 ...