EPA has again revised standards for refrigerant used in vehicles. R-12 refrigerant (aka “Freon”) was the go-to coolant for more than 50 years. Then it was discovered that chlorine atoms in escaped ...

Few U.S. civilians even noticed when WPB clamped down on dichlorodifluoromethane (C C12 F2). Most people did not know that they 1) had ever had it, 2) needed it, 3) had lost it. But C C12 F2 is ...

Freon 12 is the Dupont trade name for flurocarbon refrigerant gas, CCl 2 F 2. The material has a molecular weight of 120.92. Its critical constants are: T c = 385 K, p c = 41.2 bars, and Z c = (p c v ...

EDITOR’S NOTE: One issue concerning counterfeit refrigerants is the possibility of contamination in such systems. A major report on this has been published by the AHRI under the title: “Reports of ...

Refrigerant blends are mixtures of refrigerants. These blends have been carefully formulated and mathematically modeled to tailor their characteristics to match certain properties of the refrigerants ...