Priolube 3971 is an oxidatively stable, biodegradable and hydrolytically stable polyol ester. It is suitable for use in a wide range of applications, particularly in high temperature situations. It is European Ecolabel compliant and is featured on the LuSC list.

Product details
Brand
- Priolube
Application
- Driveline & transmission (ICE & hybrid)
- Greases
- Chain oil - High temperature
- Metalworking and forming - Rolling oils
- Industrial gear oils
Chemistry
- Esters - Polyol ester, saturated
Feature and benefits
- Biodegradable
- Good lubricity
- High thermal and oxidative stability
- High renewability content
- Hydrolytically stable
- Low volatility
- European Ecolabel compliant
Physical form
- Liquid
Market
- Industrial processes
- Metalworking
Function
- Base oils
- Lubricity additives
Global Inventory Compliance
- European Ecolabel (LuSC list)
Typicals
Property | Units | Value |
---|---|---|
Acid value | mg KOH g⁻¹ | Login |
Biodegradability OECD 301B | % | Login |
Cloud point | °C | Login |
Density at 20°C | g cm⁻³ | 0.96 |
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 | 5.9 |
Kinematic viscosity at 40°C | mm² s⁻¹ | 30 |
Pour point | °C | Login |
Renewable content | % | 85 |
Saponification value | mg KOH g⁻¹ | Login |
Viscosity index | Login |
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