... 3. OEM Dupont R22 Physical PropertyMolecular Weight86.47Boiling Point,°C-40.8Critical Temperature, °C96.2Critical Pressure, Mpa4. ... 99Specific Heat of Liquid,30°C.[KJ/(kg. °C)]0.31ODP0.055GWP1700Quality IndexPurity,%≥99.9Moisture, PPm≤10Acidity, ... 22.7kg:Recyclable cylinder 400L, 800L, 926L, 1000L: ISO-Tank. ApplicationsResidential and Commercial A/CMedium- and low-temperature ...