There is a wide variety of cooking oils from plant sources such as olive oil, palm oil, soybean oil, canola oil (rapeseed oil), corn oil, peanut oil and other vegetable oils, as well as animal-based oils like butter and lard.
We called a couple of the brake fluid companies and the answer was two to five years is a safe number for an unopened container. Wilwoodâs tech line claims that if the container is sealed, they feel it has an unlimited shelf life, but I would consider five years to be the limit.
When you consider all the above factors, front brake pads typically last between 40,000 miles for stop and go city driving and approximately 60,000 miles for highway commuting driving. Rear brake components typically last around 80,000 miles for all conditions.