... insecticides launch agent,commercial air condition R - 134a refrigerant,ethane 1,1,1,2 - tetrafluoroethane. alias HFC134a, HFC - 134a refrigerant, four ... -toxic nonflammable) The stability testing data ( with metal and frozen oil) Frozen oilMineral oilMineral oilUCONRO-W- ... gun, polymer (plastic), and physical foaming agent magnesium alloy protection gas, etc. Although McQuay is refrigerant substitution ...