RATH Aktiengesellschaft engages in the production and sale of refractory materials in Europe, Africa, the Middle East, the Americas, and the Asia Pacific. The company offers dense bricks, such as acid-resistant bricks, firebricks, high-alumina fireclay bricks, high-alumina bricks, sillimanite/andalusite bricks, corundum bricks, and silicon carbide bricks under the Acrath, Suprath, Durrath, Alurath, Silrath, Korrath, and Sicrath brands; and dense concretes, mortars and adhesives, plastic castables, mortars for dense bricks, insulating concretes, cement-free concretes, and ultra-low and low cement concretes under the Carath, Porrathin, Carathplast, Carathin, and Kerathin brands. It also provides pre-cast blocks under the Carathform and Vibrorath brands; insulating fire bricks under the Porrath, Ratherm, and Porrathin brands; high temperature insulation wool under the Altra, Alsitra, and Calsitra brands; and vacuum-formed products under the Altraform, Kerform, Evac, Newvac, Filtrath, Ultiform, and ACS ALTRA brands. In addition, the company offers planning, installation, construction site supervision, and maintenance and repair services. Its products are used in iron and steel, aluminum, glass, special furnaces, hot-gas filtration, ceramic, energy, fuels and chemical, and domestic fireplaces industries. The company was founded in 1891 and is based in Vienna, Austria. RATH Aktiengesellschaft is a subsidiary of Rath Holding GmbH.