Perchloroethylene 99.9% Appearance:colorless and transparent liquid Use:Dry clean ,Organic ... clean ,Organic Impregnant,Cleanout,DesulfurizeDetailed Specification:ItemStamdardResultPurity % ≥99.5099.95Water Wt % PPm % ≤5020Alkalinity, NaOH, % ≤0.030.01Density P20/g/cm³1. ... 615-1.6251.624colourHazen, ≤1510Non-volatile matter, % ≤0.0050.002 Perchloroethylene/PCE 99.9 ...