R290 (propane), also known as the cold coal is a kind of new environmental protection refrigerants, mainly used for central air conditioning, heat pump air conditioner, air conditioning and other small household refrigeration equipment.
High purity levels of R290 used as heat medium;
Optimal level and the level of R290 can be used as alternative refrigerant R22, r114, compatible with the original system and the lubricating oil, used in central air conditioning, heat pump air conditioner, air conditioning and other small household refrigeration equipment, can also be used for metal oxygen gas.

Name: R290
Chemical name Name: propane
Chemical nameMolecular formula: CH3CH2CH3
Molecular weightg/mol: 44.096
Boiling point ℃: -42.2
Critical temperature ℃: 96.67
Critical pressure MPA: 4.24
Vapor pressure (0℃) MPA: 0.475
Liquid Density (25℃) kg/M3: 492
ODP(ODP): 0
GWP (GWP): 3.3
Packing: 30LB