Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 69 Ceramic products 69 03 OTHER REFRACTORY CERAMIC GOODS (FOR EXAMPLE, RETORTS, CRUCIBLES, MUFFLES, NOZZLES, PL Commodity Code Description 69 03 10 Containing by weight > 50% of graphite or other carbon or of a mixture of these products 69 03 20 Containing by weight > 50% of alumina (AL2O3)/of a mixture/compund of a alumina & of.... 69 03 90 Other
