Temperature resistance refers to a lubricant’s ability to maintain its properties, such as viscosity, consistency, lubricating film retention and stability, across a defined temperature range.
As temperatures rise, a lubricant can become too fluid, which destroys the lubricating film and leads to oil loss or insufficient protection; at low temperatures, it can solidify and fail to reach the lubrication point.
Important parameters are dropping point, viscosity index, thermal oxidation resistance and flow behaviour at low temperatures.
In industrial applications with high thermal loads and rapid temperature changes, it is essential to choose a temperature-stable lubricant. This ensures that mechanical protection remains constant even under extreme conditions, which increases the service life and reliability of components.
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