... fluorine ethane, commodity names have Genetron 134a refrigerant SUVA 134a refrigerant, KLEA 134a refrigerant . chemical name 1,1,1,2 - ... 12 (R12 and Freon 12, F - 12, CFC - 12, Freon 12, two chlorine two fluorine methane) of refrigerant most areas, including: ... alloy protection gas, etc. Although McQuay is refrigerant substitution freon refrigeration equipment on new R12 the most popular choice ...