Biodegradable Lubricants
History of Lubricants Biodegradable lubricants have been around for thousands of years. Ancient man used olive oil, palm oil, or other plant based oils to lubricate axles, slides, and other moving objects. These oils were not oxidative resistant and required frequent replacement. Whale oil was used for many applications up until the mid-twentieth century due to its excellent lubricity and improved oxidation resistance. With the discovery and refining of crude oil came an economical lubricant source where additives could be used [...]