Bauxite. Hydraulic bond. Alpatch is a high alumina repair material installed by hand or grouting. It has excellent resistance to molten aluminium and is designed for repairing cracks and worn surfaces of refractories in furnace hearths, ramps, sills and ladles. It must be mixed in a small paddle mixer. Typical applications: A repair material for filling of cracks in existing aluminium furnace linings. Information provided by Morgan Advanced Materials |