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Mobil SHC™ Rarus Series

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Mobil SHC™ Rarus Series

Mobil SHC™ Rarus 32, Mobil SHC™ Rarus 46 and Mobil SHC™ Rarus 68 next-generation synthetic compressor oils have been formulated for use with rotary screw and vane air compressors and turbochargers.

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Data sheets

Cruise and Ferry
Specialized Shipping
Deep Sea Shipping Industry
Inland and Coastal
Offshore Supply Vessels
Short Sea Shipping
Synthetic
Extended Life
Enhanced Wear Protection
Wide Temperature

Product information

Technical resources

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Features and Benefits

  • Outstanding thermal / oxidation stability help to provide up to three times oil drain interval versus a leading synthetic compressor oil and reduce maintenance downtime
  • Excellent varnish and sludge control helps to deliver cleanliness and extended compressor oil life
  • High performance synthetic base stocks with high viscosity index enables wide temperature range capability and effective lubrication at high temperatures
  • High load carrying capability protects equipment and extends life, helps minimize unexpected downtime and extend service periods
  • Exceptional resistance to rusting and corrosion, very good antiwear, demulsibility, foam control and air release and multi-metal compatibility
  • Excellent water separability helps reduce carryover to downstream equipment, reduce sludge formation in crankcases and discharge lines, helps reduce blockage of coalescers, coolers and less potential for emulsion formation

Applications

  • Mobil SHC Rarus Series are primarily for rotary screw and vane air compressor, very effective in screw type compressors with oil injection cooling; compressors with a history of excess oil degradation, poor valve performance or deposit formation
  • Compressors operating under severe conditions, particularly effective for continuous high temperature operation with discharge temperatures up to 200ºC
  • Compressor systems with critical gears and bearings
  • Not for air compressors used in breathing air applications
  • Compatible with all metals used in compressor construction and with conventional mineral oil-based air compressor oils but mixture with other oils may detract from the total performance capability

Typical Properties

Mobil SHC Rarus Series 32 46 68
ISO Viscosity Grade 32 46 68
Flash Point, ºC, ASTM D 93 204 197 192
Specific Gravity 15ºC/15ºC, ASTM D 1298 0.8779 0.8676 0.865
Viscosity, ASTM D 445

cSt @ 40º C 30.6 44.1 65.3
cSt @ 100º C 5.6 7.1 9.7
Viscosity Index, ASTM D 2270, min 123 122 129
Sulfated Ash, wt%, ASTM D 874 Orange liquid Orange liquid Orange liquid
Copper Strip Corrosion, ASTM D130,24 h @ 100ºC 1B 1B 1B
Rust Characteristics Proc B, ASTM D 665 Pass Pass Pass
Pour Point, ASTM D 97, ºC, max -42 -42 -39
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