CN6902

69 Ceramic Products

6902 (01/1988-..) Refractory Bricks, Blocks, Tiles and Similar Refractory Ceramic Constructional Goods (Excl. Those of Siliceous Fossil Meals or Similar Siliceous Earths)


69021000 (01/1988-..) 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
69022010 (01/1988-..) 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)
69022091 (01/1988-..) Refractory Bricks, Blocks, Tiles and Similar Refractory Ceramic Constructional Goods Containing, by Weight, > 7% but < 45% Alumina, but > 50% by Weight Combined With Silica
69022099 (01/1988-..) 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 OfSiliceous Fossil Meals or Similar Siliceous Earths)
69029000 (01/1988-..) 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)