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Mobil Rarus SHC 1020 Series 

Mobil Rarus SHC™  1026

Synthetic rotary compressor oil
Mobil Rarus SHC™ 1026 is a high performance synthetic oil for use in rotary compressor and independent turbo charger systems working in severe conditions.

Suitable for:

  • Applications where high temperatures are encountered
  • When extended oil drains are desired
  • Units with a history of excessive oil degradation, poor valve performance or deposit formation

Exceptional protection and cleanliness
Formulated with wax-free synthetic hydrocarbon fluids and a proprietary combination of additives, it offers:

  • Exceptional oxidation and thermal stability
  • Outstanding anti-wear and corrosion protection, enhancing equipment life and performance
  • Excellent water separating characteristics, reducing problems with emulsion formation and filters
  • Potential for extended oil life
  • Compatibility with all compressor metals
  • Potential for reduction of waste and disposal costs

Cost and time savings
The oil’s proprietary technology enables it to achieve an oil drain of up to 5,000 hours, depending on operating conditions. Turbocharger oil drain intervals can typically be increased four to six times that of standard mineral oils.

Together these benefits provide the possibility of long service life, reduced replacement and waste disposal costs while minimising downtime and increasing productivity.

Download the Mobil Rarus SHC 1026 fact sheet >>

The use of the Mobil Rarus SHC™ 1020 Series oils can result in cleaner compressors and lower deposits compared to conventional mineral oils, resulting in longer running periods between maintenance intervals. Their excellent oxidation and thermal stability safely allow extended life capability while controlling sludge and deposit formation. They possess outstanding anti-wear and corrosion protection, which enhances equipment life and performance.

FeaturesAdvantages and Potential Benefits
High Performance Synthetic Base StocksWide temperature range capability
Significant performance capabilities relative to mineral oils
Improved safety
Extended service life
Outstanding Oxidation and Thermal StabilityReduced coking deposits
Longer oil life
Improved filter life
Lower maintenance costs
High Load-carrying abilityReduced wear of bearings and gears
Excellent Water SeparabilityLess carryover to downstream equipment
Reduced sludge formation in crankcases and discharge lines
Reduced blockage of coalescers, inter- and after-coolers
Less potential for emulsion formation
Effective Rust and Corrosion ProtectionImproved protection of internal compressor components

The Mobil Rarus SHC 1020 Series oils are primarily intended for rotary screw and vane compressors. They are particularly effective for continuous high temperature operation with discharge temperatures up to 200º C. Rarus SHC 1020 Series oils are recommended for units with a history of excess oil degradation, poor valve performance or deposit formation. They are compatible with all metals used in compressor construction and with conventional mineral oil-based air compressor oils but admixture with other oils may detract from the total performance capability.

Mobil Rarus SHC 1020 Series oils are not recommended for air compressors used in breathing air applications and should not be used in one-stage compressors operating at pressures above 90 psi.

The following types of compressor applications have shown excellent performance with the Mobil Rarus SHC 1020 Series oils:

  • Primarily recommended for rotary screw and vane air compressor
  • Very effective in screw type compressors with oil injection cooling
  • Units operating under severe conditions
  • Multistage units with a history of excessive oil degradation from mineral oil-based products
  • Compressor systems with critical gears and bearings
  • Compressors used in stationary and mobile applications
Mobil Rarus SHC 1026 
ISO Viscosity Grade68
Viscosity, ASTM D 445 
cSt @ 40º C66.6
cSt @ 100º C10.1
Viscosity Index, ASTM D 2270 , min136
Copper Strip Corrosion, ASTM D130,24 h @ 
100º C
Rust Characteristics Proc A, ASTM D 665Pass
Pour Point, ASTM D 97, ºC, max-45
Flash Point, ºC, ASTM D 92246
Specific Gravity 15º C/15º C, ASTM D 12980.856