Section 13 ARTICLES OF STONE, PLASTER, CEMENT, ASBESTOS, MICA OR SIMILAR MATERIAL S; CERAMIC PRODUCTS; GLASS AND GLASSWARE 69 Ceramic products 69 07 Unglazed ceramic flags and paving, hearth or wall tiles; unglazed ceramic mosaic Commodity Code Description 69 07 10 69 07 21 Of a water absorption coefficient by weight not exceeding 0.5 % 69 07 22 Of a water absorption coefficient by weight exceeding 0.5 % but not exceeding 10% 69 07 23 Of a 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 69 07 90