Refrigerant R444B


R444B Refrigerant, alias R-444B. The R444B refrigerant is a mixture of R32, R152a and R1234ze with a GWP of 295. It is a low GWP alternative to the R22 refrigerant for air conditioning. Air conditioning works better in hot climates.


R444B Refrigerant steel cylinder is a pressurized container. It should be kept away from fire, heat sources, and direct exposure to sunlight. It is usually stored in a cool, dry, and ventilated warehouse. When handling, light loading and unloading should be carried out to prevent cylinder and valve and other accessories from damage.


R444B, as the most widely used medium and low temperature refrigerant, is mainly used in household air conditioners, commercial air conditioners, central air conditioners, mobile air conditioners, heat pump water heaters, dehumidifiers, freezer dryers, cold storage, food refrigeration equipment, Marine refrigeration equipment, industrial refrigeration, commercial refrigeration, freezer condensing units, supermarket display cabinets and other refrigeration equipment.

Mixture CompositionR32, R152a, R1234ze
Molecular Mass72.7595324904241
Boiling Point (1atm/℃)
Critical Temperature (℃)92.1109453316381
Critical Pressure (Mpa)5.21221858025206
Critical Density (g/cm3)0.4442
GWP 100 yr295