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 08 Panels, boards, tiles, blocks and similar articles of vegetable fibre, of straw 68 08 00 Other 68 08 00 90 Other Commodity Code Description 68 08 00 90 00 Panels, boards, tiles, blocks and similar articles of vegetable fibre, of straw or of sh