R134a is internationally recognized as one of the main refrigerant working substances to substitute CFC-12. Its ODP is 0, and GWP is 0.29.
It is a non-inflammability, non-explosive ability, non-toxicity, non-pungency, and non-corrosive ability. And it is a colorless gas under ordinary temperatures and a colorless & transparent liquid under the pressure of itself.
As the substitute for CFC-12, it is often used in the refrigerating systems of auto air conditioners, commercial and industrial purposes, and as the vesicant, it is used to produce the heat-protective material made of rigid plastics, and also be used to mix another refrigerants, such as R404A & R407C.