Asbestos gasket can be used for most medium specification bestos gasket for medium pressures:asbestos gasket can be used for sealing against steam,air, gases, water, oils, hydraulics and non-aggressive media. Asbestos gasket can also be used for high bestos gasket is used for sealing against steam, air, gases, water, oils, hydraulics and non aggressive media. Asbestos gasket for high temperature/pressures,too. Asbestos gasket is used for sealing against steam, air, gases, water, oils, hydraulics and non aggressive media.