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Priolube™ 3997

Priolube 3997 is a high viscosity complex ester and bright stock alternative with excellent oxidation stability. Suitable for use in a wide range of applications, particularly as a viscosity modifier, thickening agent and lubricity additive.
Priolube™ 3997
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Product details


  • Priolube


  • Driveline & transmission
  • Engine oils - Passenger car
  • Engine oils - Heavy duty
  • Engine oils - Motorcycle
  • Engine oils - Marine
  • Greases
  • Fuel additives - Marine fuel additives
  • Industrial gear oils


  • Esters - Complex ester

Feature and benefits

  • Oxidatively stable
  • Effective at low treat rate
  • Good lubricity
  • Increased efficiency
  • High flash/fire point

Physical form

  • Liquid


  • Power generation
  • Passenger cars
  • Heavy duty vehicles - Off road
  • Heavy duty vehicles - On road
  • Marine
  • Small engines
  • Industrial processes


  • Base oils
  • Lubricity additives
  • Viscosity and rheology modifiers - Viscosity modifiers


Property Units Value
Acid value mg KOH g⁻¹ Login
Colour 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 2000
Kinematic viscosity at 40°C mm² s⁻¹ 40000
Pour point °C Login
Saponification value mg KOH g⁻¹ Login
Viscosity index Login
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