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Priolube™ 3958

Priolube 3958 is a low viscosity product that provides good temperature properties for automotive gear oil / transmission fluids.
Priolube™ 3958
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Product details


  • Priolube


  • Driveline & transmission (ICE & hybrid)


  • Esters - Petrochemical diester

Feature and benefits

  • Compliance with local environmental regulations
  • Improved in-service operation, longer life
  • Increased efficiency
  • High thermal and oxidative stability

Physical form

  • Liquid


  • Passenger cars (ICE & hybrid)
  • Heavy duty vehicles - Off road
  • Heavy duty vehicles - On road


  • Base oils
  • Lubricity additives


Property Units Value
Acid value mg KOH g⁻¹ Login
Cloud point °C Login
Density at 20°C g cm⁻³ 0.92
Flash point °C Login
Hydroxyl value mg KOH g⁻¹ Login
Iodine value gl 100 g⁻¹ Login
Kinematic viscosity at 100°C mm² s⁻¹ 3
Kinematic viscosity at 40°C mm² s⁻¹ 10.5
Kinematic viscosity at -40°C mm² s⁻¹ 1150
Pour point °C Login
Saponification value mg KOH g⁻¹ Login
Viscosity index Login
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