Alkyl benzene ISO 32 cSt synthetic refrigerant oil is miscible and suitable to use with which of the following refrigerants?

Correct Answer: Option A — R-22

Alkyl benzene ISO 32 cSt synthetic oils possess excellent thermal stability and complete miscibility with HCFC refrigerants like R-22 across wide operating temperature ranges, ensuring proper oil return to the compressor crankcase and preventing bearing starvation in marine refrigeration plants.