制冷剂气体R22

R22 has excellent thermal and chemical properties, and not corrode metals, Chlorodifluoromethane is used as pure or in mixture for refrigeration (medium-high temperatures), raw material for PTFE and intermediate for Halon 1211 production. It is also a blowing agent for extruded polystyrene and polyurethane foams. Chemical formalCHCIF2Molecular weight86.47Boiling Point ( ºC )-40.75Critical temperature ºC96.0Critical Pressure Mpa4.97Saturation stem pressure, Mpa0.94Liquid density 25 ºC , g/ml1.194Vaporization heat under BP , kj/kg233GraderefrigerantAppearanceColorless, no turbidOdorOdorlessPurity ≥ %99.8Water, ppm ≤0.001Acidity, ppm ≤0.0001Non-volatile residue ≤ %0.01Oxygen content ≤ %-