The Mobilarma 500 Series oils provide an excellent lubricant that also acts as a rust preventive. This allows safe lay-up of equipment that will not be used immediately but may be operated intermittently at low to moderate loads for short periods of time. These products provide excellent rust preventive performance reducing any potential damage that could otherwise occur in non-operating equipment. This saves clean-up and potential rigorous flushing procedures prior to placing the equipment back in service.

Features Advantages and Potential Benefits
Excellent Rust and Corrosion Protection High level protection against rust during seasonal lay-ups
Reduced clean-up time required to place equipment back into production
Displaces water from metal surfaces and form tenacious protective films
Effective Anti-Wear Properties Protects equipment against wear
Dual Purpose Lubricant/Rust-Preventive Nature Reduced costs and time for run-in, testing or adjustment procedures
Eliminates unnecessary flushing and draining steps


  • Run-in oil and lay-up oil for engines and industrial equipment
  • Turbines that will be out of service for long periods
  • Hydraulic systems where water is present and the formation of emulsions will not effect operation
  • Test calibration oil

Typical Properties

Mobilarma 500 Series 522 524 525
Viscosity, ASTM D 445
cSt @ 40º C 28.8 88.4 53.5
cSt @ 100º C 5.0 10.5 8.7
Viscosity Index, ASTM D 2270 95 95 100
Pour Point, ºC, ASTM D 97, max -24 -18 -36
Flash Point, ºC, ASTM D 92, min 182 218 198
Density @ 15.6º C, Calculated, lbs/gal 7.3 7.36 7.33


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