... required 3.Delivery quickly 4.Environment friendly&Various Spec Performance:R152a--Dichloroethane(HFC-152a for short), achromatism under ... raw material for fluorin chemical. Features: Molecular Formula:C2H4F2Purity:>=99.9%Specification: 1.disposable cylinder:10kg, 11.9kg, ... g/cm30.365 Quality Index:GradeExcellent GradeFirst GradePurity, %≥99.9599.8Moisture, Ppm≤1010Acidity Ppm≤0.10.1Nonvolatile residue ...