| 69021010 | Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3: Magnesite bricks and shapes |
| 69021020 | Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3: Chrome magnesite bricks |
| 69021030 | Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3: Magnesite chrome bricks and shapes |
| 69021040 | Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3: Magnesite carbon bricks and shapes |
| 69021050 | Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3: Direct bonded basic bricks and shapes |
| 69021090 | Containing by weight, singly or together, more than 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3: Other |
| 69022010 | Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products: Silica bricks and shapes |
| 69022020 | Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products: High alumina bricks and shapes |
| 69022030 | Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products: Alumina carbon bricks and shapes |
| 69022040 | Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products: Silicon Carbide bricks and shapes |
| 69022050 | Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products: Mullite bricks |
| 69022090 | Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products: Other |
| 69029010 | Other: Fire clay bricks and shapes |
| 69029020 | Other: Graphite bricks and shapes |
| 69029030 | Other: Vermiculite insulation bricks |
| 69029040 | Other: Clay graphite stopper heads |
| 69029090 | Other: Other |