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 Floor coverings in the piece and rectangular tiles 68 09 11 10 Floor coverings in the piece and rectangular tiles Commodity Code Description 68 09 11 10 00 -- Faced or reinforced with paper or paperboard only