Use: Dry Clean, Organic Impregnant, Cleanout , Desulfurize. Purity:99.9%min packing :300kg/Iron durm shipment :22.2MT/20 ItemstandardPurity ,% ≥99.90Water,Wt%. PPm % ≤50Alkalinity, NaOH,% ≤0.03Density P20/(g/cm3) 1.615-1.625Colour(Hazen), . ≤15Non-volatile matter ,% ≤0.005 Perchloroethylene