7
Heat resistant articles for use in steelmaking, cokemaking, glass production or in casting and treatment of metals; machinery and equipment incorporating components made of refractory ceramic fiber for the handling and flow control of molten metals and other molten materials, namely pins, spouts, spoons, tubes, nozzles, shrouds, linings, launders/runners, and tundishes; glass tanks and feeder accessories; transfer rollers and roll covers for the glass industry and metal treatment; rolls and guides for directing metallic materials in the form of sheet, strip and wire through galvanizing lines and other coating lines; pumps, pipes, and troughs for acids or corrosive chemicals; feeder accessories
9
Refractory equipment used in the handling and flow control of molten metals and other molten materials, namely pins, spouts, spoons, tubes, nozzles, shrouds, linings, launders/runners, and tundishes; glass tanks and feeder accessories; sheets, plates, tiles, bricks, skids, rails, supports, blocks, pipes, walls, doors, linings, and special shapes for use in high temperature furnaces; burner tubes and blocks; transfer rollers and roll covers for the glass industry and metal treatment; rolls and guides for directing metallic materials in the form of sheet, strip and wire through galvanizing lines and other coating lines; pumps, tank linings, pipes, and troughs for acids or corrosive chemicals; all for scientific and/or laboratory use
17
Articles having thermal insulation properties in the form of sheets, plates, tiles, bricks, skids, rails, supports, blocks, pipes, walls, doors, linings, and special shapes for use in high temperature furnaces; tank linings and pipes for acids or corrosive chemicals; glass tank linings
19
Refractory plates, sheets, nozzles, tubes, pipes, bricks, tiles, linings, runners, rolls, roll covers, and special shapes; cements, castables and mortars; sheets, plates, tiles, bricks, skids, rails, supports, blocks, pipes, walls, doors, linings, and special shapes for use in high temperature furnaces; burner tubes and blocks; tank linings; heat resistant articles comprising refractory ceramic fiber, namely moulded building materials; articles for molten metal handling and flow control, namely launders/runners, nozzles, pins and spouts