If you are thinking about oil resistant rubber you can preferably opt for Neoprene sir. It has the potential to not only withstand around 200 degree Fahrenheit but also suitable for both indoor and outdoor applications.
Nitrile (also known as NBR rubber and Buna-N) is the seal industry's most widely used and economical elastomer. This is partly because it displays excellent resistance to petroleum-based oils, fuels, water, alcohols, silicone greases, and hydraulic fluids.