maintenance oil / for bearings / low-temperature / anti-corrosion
OKS 640, OKS 641



  • Function:


  • Product applications:

    for bearings

  • Other characteristics:

    low-temperature, anti-corrosion

  • Viscosity:

    0.000007 m²/s

  • Operating temperature:

    Min.: -30 °C (-22 °F)

    Max.: 150 °C (302 °F)


Maintenance Oil

Maintenance oil for dismantling, lubrication and care of machine elements and metal surfaces.

Areas of application

Dismantling of all seized or sticky components or machine elements, e.g. door locks, hinges, screws, bolts, bushings, cranks, linkages, valves, slide rails, cable pulls, shafts, etc.
Lubrication of fine-mechanical instruments, measuring instruments, office and computer equipment, weapons etc., even at low temperatures

Advantages and benefits

Highly effective due to ideal combination of mineral oil and additives with solvent
Broad range of uses in the complete maintenance sector
Displaces moisture, protects against corrosion
Cleans, maintains and lubricates
Gets under rust
OKS 640 is also suitable for use with the refillable Airspray system
Spray version OKS 641

Technical specifications

Operating temperature: -30°C → +60°C/150°C (after evaporation of the solvent)
Density (20°C): 0.82 g/ml
Viscosity (40°C): 3 mm²/s
Coefficient of friction SRV: µ = 0.11
Wear SRV: 0.003 mm³
Salt spray test (sprayed on): > 110 h

Other OKS Spezialschmierstoffe GmbH products