HIGH ALUMINA LIGHT WEIGHT BRICK SINTERING ELECTRO-SMELTING CORUNDUM PRODUCT HIGH TEMPERATURE GLUES AND HIGH INTENSITY PASTERN MUD ULTRA-LOW AIR HOLE CLAY BRICK SILICON CARBIDE BOARD PHOSPHATE COMBINED HIGH ALUMINA KILN LINING BRICK HIGH STRENGTH HOLLOW MICRO-BEAD BRICK ROLLER WAY FURNACE MADE HIGH ALIMINA AND MULTI-HOLE BRICKS HIGH ALUMINA BRICKS LOW POROSITY CLAY BRICK