Perchloroethylene 99.9%min. Usage: dry clean, organic impregnant, cleanout , desulfurize. Name: Perchloroethylene, TetrachloroethyleneMolecular ... , Desulfurize.Packing : 300kgs net in each iron drum Purity: 99.9% Specification: ItemstandardResultPurity ,% ≥99.999.94Water, % ≤ 0.0050.0026Alkalinity, NaOH,% ≤0.030 ... ≤1510Non-volatile matter ,% ≤0.0050.003 dry cleaner Perchloroethylene (PCE) 99.90% min