Silicone O Ring have very good low & high temperature resistance.
Because they do not give out any odour or taste, the food & medical industries prefer this polymer as in many of their machineries the food products and medicines come in contact with the rubber.
Silicone O-Rings are resistant to ozone, UV radiation, some oils, brake fluids & hot air.
Vacuum applications like the hot air oven utilise silicone O-Rings & Gaskets for sealing purpose because of the above qualities.
