... - 134a refrigerant,ethane 1,1,1,2 - tetrafluoroethane. alias HFC134a, HFC - 134a refrigerant, four fluorine ethane, commodity names have Genetron ... 134a refrigerant SUVA 134a refrigerant, KLEA 134a refrigerant . chemical name 1,1,1,2 ... : pure oil/refrigerants copper,Iron aluminum—— 4 2 3 2—— 4 2 3 20 0 0 0 00 0 0 ...