1.high efficiency 2.high purity 3.competitive price with high quality 4.rich experience r-22 · PHYSICAL PROPERTIES:Molecular Weight86.48Boiling Point, °C-40.82Relative Density, (30°C), liquid, g/cm31.177Melting Point °C-160.00Critical Temperature, °C96.15Critical Pressure, MPA4.75Ozonosphere Damage Potency(ODP)0.045Global Warming Potency(GWP)1700Freezing point °C-Specific heat of liquid 30°C , [ ...