refrigerant gas R134a, HFC-134a now is internationally recognized as one of the main refrigerant working substances to substitute CFC-12. It does not contain the chlorine atom, give no bad effects against ozonosphere and have excellent safety performances, such as 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 to prepare other mixed refrigerants, such as R404A & R407C. HFC-134a automobiles air-conditioner system are obviously superior to CFC-12 in unit refrigerantion quality and COP, It's exxhaust temperature tatio is slightly high than CFC-12, and it's relative slip temperature is 2, have a little effect on component part and circulatory system after revealing. Physical Properties Molecular formula: CH2FCF3 Boiling Point: -26.1 Critical Temperature: 101.1 Critical Pressure, Mpa: 4.05 ODP: 0 GWP: 0.29 Liquid Density, g/cm3: 1.207 Quality Specification Purity, %í¦: 99.9 Moisture, ppmí_: 10 Acidity, ppmí_: 0.1 Evaporating Residue, ppmí_: 100 Appearance: Colourless, No turbid Odor: No strange stench. HS Code: 29034400 Model NO.: R134a Productivity: 10000T/Year . Packing: 300g/13.6kg/400kg/800kg .