Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 68 Articles of stone, plaster, cement, asbestos, mica or similar materials 68 11 Articles of asbestos-cement, of cellulose fibre-cement or the like 68 11 40 Corrugated sheets Commodity Code Description 68 11 40 10 Corrugated sheets 68 11 40 21 Floor or wall tiles containing plastics 68 11 40 22 For roofing, facing or partitioning 68 11 40 29 Other 68 11 40 30 Tubes or pipes 68 11 40 40 Tube or pipe fittings 68 11 40 50 Other articles, of a kind used for building construction 68 11 40 90 Other
