Shell Refrig S4 FR-F 46 Is a synthetic refrigeration Oil. Shell Refrig S4 FR-F 46 is an Advanced Synthetic Refrigerator Compressor Lubricant.
Shell Refrigeration Oil S4 FR-F is a synthetic refrigeration lubricant with a polyol ester base fluid. It has been developed for use with R134a and other HFC refrigerants.
Shell Refrigeration Oil S4 FR-F has excellent high temperature and oxidation stability providing long service life even where high compressor discharge temperatures are found.
Shell Refrigeration Oil S4 FR-F has been designed to minimise the wear in bearings and pistons – the most critical parts of a reciprocating compressor.
Shell Refrigeration Oil S4 FR-F is recommended for use with R134a and other types of HFC refrigerant.
Shell Refrigeration Oil S4 FR-F is compatible with all sealing materials commonly used with HFC refrigerant systems.