Section 13 ARTICLES OF STONE, PLASTER, CEMENT, ASBESTOS, MICA OR SIMILAR MATERIAL S; CERAMIC PRODUCTS; GLASS AND GLASSWARE 68 Articles of stone, plaster, cement, asbestos, mica or similar materials 68 09 Articles of plaster or of compositions based on plaster. 68 09 11 Commodity Code Description 68 09 11 00 68 09 11 10 Floor coverings in the piece and rectangular tiles 68 09 11 90 Other