Chemical Name or Components: R-116 (54%), R-23 (46%) Hexafluoroethane, Trifluoromethane
Pressure Temperature Chart: R-508B
Best for use in: Used for very low temperature refrigeration systems. R-508B has properties very similar to R-503 and can be used to replace R-13 or R-503 in an existing system.
Common Alternative: R-503, R-13