CARBORUNDUM

TILES, REFRACTORY TILES, [ ROOF TILES, ] [ ANTISLIP TILES, REFRACTORY BRICKS, ] REFRACTORY BLOCKS; [ REFRACTORY CEMENTS; REFRACTORY GRANULAR MATERIALS FOR USE IN MAKING REFRACTORY CEMENTS, BLOCKS, SHAPES; ] REFRACTORY LINING MATERIALS FOR FURNACES, FURNACE-LINING BLOCKS, KILN-LINING BLOCKS, CUPOLA BLOCKS, GAS-GENERATOR BLOCKS, AIR-COOLED FURNACE-LINING BLOCKS, WATER-COOLED FURNACE-LINING BLOCKS, SUSPENDED-ARCH BLOCKS, HEARTH-SUPPORT BLOCKS, FURNACE-WALL VENEER BLOCKS; ARCH VENEER BLOCKS; NAMELY, FACING BLOCKS FOR FURNACE ARCHES AND SPECIAL REFRACTORY SHAPES AND REFRACTORY CYLINDRICAL SHAPES FOR USE IN THE CONSTRUCTION OF FURNACES, FUEL-BURNING APPARATUS, KILNS AND REGENERATORS, CUPOLAS, AND METALLURGICAL FURNACES