Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 69 Ceramic products 69 07 Unglazed ceramic flags,paving, hearth or wall tiles; unglazed mozaic cubes, etc Commodity Code Description 69 07 10 Tiles,cubes & similar articles,wht/not rectangular,the largest surface area ............ 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 Other