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 12 Fabricated asbestos fibres; mixtures with a basis of asbestos or with a basis of Commodity Code Description 68 12 80 68 12 91 68 12 92 68 12 93 68 12 99