Vacuum Pump Gear Fluid


6531 is designed for use in a wide range of vacuum pump gear applications. It is formulated to provide a long oil life with excellent oxidative stability, film strength, lubricity and wear protection. It offers outstanding protection — even in the most demanding applications.

  • Excellent lubricity
  • High film strength
  • Long oil life
  • Superior dispersant properties
  • Resists water contamination
  • Protects against rust and corrosion
  • Controls carbon and varnish formation
  • Non-toxic/non-hazardous
Lubricant Properties
Vacuum Pump Gear Fluid6531
GradesTest Method150220320
Viscosity cSt @ 40°C150219314438
Viscosity cSt @ 100°C15.520.426.134.2
Viscosity Index106109109115
Flash Point °F (°C)500 (260)505 (263)512 (267)517 (269)
Pour Point °F (°C)3 (-16)7 (-14)10 (-12)12 (-11)
Rust TestPassPassPassPass
Copper Corrosion, 24 Hr1a1a1a1a
Demulsibility, 54.4°C, 30 Min40/40/040/40/040/40/040/40/0
Have Questions?

We complement our range of superior products with exceptional customer support.