PORRATH

[ Ceramic insulating materials; insulating materials, namely, thermal and electric insulating materials comprised of ceramic fibers ]

Building materials, namely, ceramic fibers, aluminium oxide fibers, silicium oxide fibers and zircon oxide fibers; building materials manufactured from ceramic fibers, aluminium oxide fibers, silicium oxide fibers and zircon oxide fibers, namely, vacuum formed shapes; refractory construction materials, namely, bricks made of fireclay, sillimanite, bauxite, corundum, mullite, zircon mullite, chrome corundum, spinel, magnesite and/or silicon carbide; refractory castable mixes not of metal being construction materials, in particular dense castables and dense castables for gunning purposes, low cement castables, ultra low cement castables, insulating castables, insulating gunning castables and special castables; refractory construction products, namely, unshaped fireclay and fireclay mortar; fireclay bricks; construction bricks having a high content of aluminium including alumina, fireclay, bauxite, sillimanite, mullite and corundum; construction bricks containing chrome-corundum; construction bricks containing zircon oxide; construction bricks containing aluminium and magnesia spinel; acid resisting bricks; mortar containing ceramic binder; chemically binding mortar; vacuum formed products made of ceramic wool for building purposes, namely, boards, shapes and burner blocks, ceramic fiber rooting paper, containing aluminium-silica fibers for building purposes; ceramic shapes for use in refractory furnaces, namely, sliding gates made of ceramics for steel pouring ladles and continuous casting distributors for building purposes