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noxlub kf 0921

Klüber Noxlub KF 0921 is a fully synthetic long-term lubricating grease based on perfluorinated polyethers of high viscosity index. The grease covers a wide service temperature range even at temperatures down to -65°C.

  • Klüber Noxlub KF 0921 is suitable for the long-term lubrication ofrolling or plain bearings requiring low starting torques in a variable environment along with the known advantages of PFPE lubricants.
  • At temperatures as low as –65°C Klüber Noxlub KF 0921 is still pliant enough not to overload low-torque actuators, e.g. in the automotive or aerospace industries.
  • Behaviour towards elastomers and plastics Lubricating greases based on polyether and PTFE are mostly neutral towards elastomers and plastics (except for perfluorinated rubber).
  • Prior to series application, however, we recommend testing the lubricant compatibility with the materials in question.
  • Wide service temperature range
  • Good low-temperature properties
  • Very good resistance to ambient media
  • Good corrosion protection
  • High oxidation stability
Characteristics Klüber Noxlub KF 0921
Article number 090039
Composition, solid lubricant PTFE
Composition, type of oil PFPE
Colour space white
Service temperature, lower limit -65 °C
Service temperature, upper limit 220 °C
Density, Klüber method: PN 024, 20°C approx. 1.94 g/cm³
NLGI grade, DIN 51818 2
Shear viscosity, Klüber method: PN 008@DIN 53019-1, equipment: rotational viscometer, 25°C, 300 s⁻¹, lower limit 2000 mPas
Shear viscosity, Klüber method: PN 008@DIN 53019-1, equipment: rotational viscometer, 25°C, 300 s⁻¹, upper limit 5000 mPas
Kinematic viscosity of the base oil, DIN 51366, Cannon-Fenske, 100°C approx. 26 mm²/s
Kinematic viscosity of the base oil, DIN 51366, Cannon-Fenske, 40°C  approx. 93 mm²/s
Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx. 60 months