When you need a top performing aircraft grease that can withstand harsh environments AeroShell Grease 22 is a smart choice. It's formulated from synthetic hydrocarbon oil that's thickened with Microgel and fortified with additives for superior performance characteristics. This includes corrosion and oxidation resistance load carrying properties and anti-wear properties. It has an operating temperature range of -85 to 399.2 degrees Fahrenheit (-65 to 204 degrees Celsius).