Heading 6902

Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths

Chapter 69 · 5 CN codes

• 6902 10 00 00 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods containing, by weight, singly or together, > 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3
• 6902 20 10 00 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods containing, by weight, >= 93% silica (excl. those of siliceous fossil meals or similar siliceous earths)
• 6902 20 91 00 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods containing, by weight, > 7% but < 45% alumina, but > 50% by weight combined with silica
• 6902 20 99 00 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods containing, by weight, > 50% alumina, silica or a mixture or compound of these products (excl. containing, by weight, >= 93% silica, > 7% but < 45% alumina and those of siliceous fossil meals or similar siliceous earths)
• 6902 90 00 00 Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods (excl. containing, by weight, singly or together, > 50% of the elements Mg, Ca or Cr, expressed as MgO, CaO or Cr2O3, containing, by weight, > 50% alumina, silica or a mixture or compound of these products and those of siliceous fossil meals or similar siliceous earths)