Mobil SHC Rarus series are high quality air compressor lubricants, mainly used for the lubrication of heavy duty rotary screw and vane air compressors, especially under severe operating conditions, when synthetic oil products cannot meet the demand, the most effective, In situations where terminal compression temperatures are high or extended drain intervals are required, the unique formulation of the Mobil SHC Rarus range provides outstanding performance for extended periods of time, up to 3 times longer than the major synthetic oils tested on the market times.