Exhaust Gaskets also comes in various types of materials like Asbestos, Non-Asbestos with or without Heat shields in ASA material, SAS material and MLS (Steel Laminated) materials.
In case of Inlet manifolds these comes in soft asbestos / Asbestos Free material like CAF (Compressed Asbestos Fiber Jointing material and non-asbestos jointing material and in bakelite bounded
with gasket facing material etc