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Lubricant Reference - Factors Influencing Lubricant Functions
The main functions of a lubricant are contaminant isolation, heat removal, and friction reduction. The important factors that influence these functions are:
Factors Influencing Lubricant Functions
| Contaminant Isolation |
1. Detergency — Dispersion
2. Corrosion Prevention
3. Rust Protection
4. Stability — Thermal and Oxidative |
| Heat Transfer |
1. Specific Heat
2. Thermal Conductivity
3. Stability — Thermal and Oxidative |
| Reduction of Friction |
| 1. Coefficient of Friction |
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a. Oiliness or Antiwear
b. Anti-seize |
2. Viscosity/Temperature Index
3. Pressure/Viscosity Effect
4. Stability — Thermal and Oxidative |
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Note that thermal and oxidative stability are necessary to perform all functions.
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