Section 13 ARTICLES OF STONE, PLASTER,CEMENT,ASBESTOS, MICA OR SIMILAR MATERIALS; CERAMIC PRODUCTS; GLASS AND GLASSWARE 70 GLASS AND GLASSWARE 70 02 GLASS IN BALLS (OTHER THAN MICROSPHERES OF HEADING 70.18),RODS 70 02 32 TUBES OF OTHER GLASS HAVING A LINEAR COEFFICIENT OF EXPANSION ....... Commodity Code Description 70 02 32 00 TUBES OF OTHER GLASS HAVING A LINEAR COEFFICIENT OF EXPANSION .......