Greases - Temperature Limits

Grease is a combination of oil and thickener

Grease is a combination of mineral or synthetic oil and a thickener - also called soap. Rust and oxidation inhibitors are also often added.

grease

  • Oil content ranges 70 - 97% - commonly about 80%

The temperature limit for a grease is limited by the oil used and by the thickener.

Grease Thickener Temperature Limits
(oF) (oC)
Aluminum 180 82
Barium 225 107
Calcium 170 77
Lithium 300 149
Sodium 250 121
Synthetics < 500 < 260

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