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 05 Natural or artificial abrasive powder or grain on a base of paper, etc 68 05 30 On a base of other materials Commodity Code Description 68 05 30 00 On a base of other materials
