Section 13 Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware 69 Ceramic products 69 07 Ceramic flags and paving, hearth or wall tiles; ceramic mosaic cubes and the like, whether or not on a backing; finishing ceramics. Commodity Code Description 69 07 21 Of a water absorption coefficient by weight not exceeding 0.5 % 69 07 22 Of water absorption coefficient by weight exceeding 0.5 % but not exceeding 10 % 69 07 23 Of water absorption coefficient by weight exceeding 10 % 69 07 30 Mosaic cubes and the like, other than those of subheading 6907.40 69 07 40 Finishing ceramics