Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 69 Ceramic products 69 02 Refractory bricks, blocks, tiles... (excl. siliceous fossil meal/earth) 69 02 10 Containing by weight, singly or together, more than 50 % of the elements Mg, Ca or Cr Commodity Code Description 69 02 10 00 Containing by weight, singly or together, more than 50 % of the elements Mg, Ca or Cr
