CERVAC BOARDS are rigid products made from Fiberfrax ceramic fibre which is vacuum formed with organic and inorganic binders, with or without mineral fillers. These are manufactured over a wide range of grades densities and hardnesses. These boards may be used as individual component of furnace linings or as hard hot face layer for Durablnkets or as backup insulation. SHAPES : By vacuum forming, a wide range of sizes and forms such as cones, sleeves, floats, observation door tiles etc.