R290R290 is a new type and environmental friendly refrigerant, mainly used in central air conditioning, heat pump and other small refrigeration equipment.High-purity grade R290 refrigerant is used as temperature sensing, also can be replacement for R22 and R502. It's compatible with the original system and lubricants for central air conditioning, heat pump, air conditioning and other small household refrigeration equipment. It can also be used for metal cutting oxygen gas.NameR290Chemical NamePropaneChemical FormulaCH3CH2CH3Molecular weight: g/mol44.096Boiling Point: ℃-42.2Critical Temperature:℃96.67Critical Pressure: MPA4.24Vapor Pressure : 0℃)MPA0.475Liquid Density:(25℃) kg/M3492ODP0GWP3.3Package30LB