Section 13 ARTICLES OF STONE, PLASTER,CEMENT,ASBESTOS, MICA OR SIMILAR MATERIALS; CERAMIC PRODUCTS; GLASS AND GLASSWARE 69 CERAMIC PRODUCTS. 69 03 THAN THOSE OF SILICEOUS FOSSIL MEALS OR OF SIMILAR SILICEOUS EARTHS. 69 03 10 OTH. REFRACTORY CERAMIC GOODS,CONT.BY WGT>50% OF GRAPHITE/OTH.CARBON/A.... Commodity Code Description 69 03 10 00 OTH. REFRACTORY CERAMIC GOODS,CONT.BY WGT>50% OF GRAPHITE/OTH.CARBON/A....