Most refrigerants used in residential refrigeration

• C2H2F4 - Bihydro tetrafluorethane - R134a (HFC) - Oil Polyolster (POE);
• C4H10 - Normal butane (isobutane) - R600a - (OM) or (POE);
• OBS: SYSTEM WITH MINERAL OIL NOT AND COMPATIBLE WITH OIL POLYOLESTER AND VICE VERSA