DURAFORM

industrial ceramic silicon carbide and alumina ceramic refractory furnace parts, namely, boats, saggars, crucibles, tubes, nozzles, plates, beams, rods, rollers, and bats; industrial ceramic silicon carbide and alumina ceramic refractory furnace parts for use as kiln furniture in furnaces and kilns, namely, boats, saggars, crucibles, tubes, nozzles, plates, beams, rods, rollers, and bats

industrial ceramic silicon carbide and alumina ceramic refractory parts, being ceramic shapes for use in refractory furnaces, namely, boats, saggars, crucibles, tubes, nozzles, plates, beams, rods, rollers, and bats