R134a is a refrigerant belonging to HFC-based refrigerants, and was developed as an alternative refrigerant of R12, a high HCFC-based refrigerant with an ozone layer fracture coefficient ODP. For this reason, it is widely used for vending machines, foaming agents, refrigerators, propellant, etc., mainly for turbo chillers, air conditioners, and chillers that have been used for R12. The ODP is 0, but since it is a problem that the global warming coefficient GWP is high, the future is regulated and the amount of use will be limited.

Refrigerant number
Name1, 1, 1, 2-tetrafluoroethane
CategoryHFC (hydrofluorocarbons)
Molecular structure
Safety classificationNonflammable, non-toxic (A1)