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 NOT CUT TO SHAPE OR SEWN OR OTHERWISE MADE UP. Commodity Code Description 68 05 10 NATURAL/ART. ABRASIVE POWDER/GRAIN ON A BASE OF WOVEN TEXT.FABRIC ONLY 68 05 20 NATURAL/ART. ABRASIVE POWDER/GRAIN, ON A BASE OF PAPER OR P/BOARD ONLY 68 05 30 NATURAL/ART. ABRASIVE POWDER/GRAIN, ON A BASE OF OTHER MATERIALS