Ultimate FAQ-Refrigerants, Coolant, Lubricants Selection.
Refrigerant Naming The letter "R" and a group of numbers or letters behind it represent refrigerants, which are written according to certain rules based on the composition of refrigerant molecules R404A-R134A-Refrigerants Type of refrigerant 1. Inorganic compounds The abbreviation is specified as R7( )() The numbers in [...]




