Mixed refrigerant R406a: used as substitute for R12. Physical Property:Critical Temperature, °C 116.5Critical Pressure, MPa 4.88ODP 0.036GWP 1900 Technical specifications:Purity, % 99.8 minMoisture, PPM 10 maxAcidity (as HCl), PPM 1 maxVapor Residue, PPM 100 maxDetermination of chlorides (Cl-) Pass Mixed Refrigerant R406a