Section 13 ARTICLES OF STONE, PLASTER,CEMENT,ASBESTOS, MICA OR SIMILAR MATERIALS; CERAMIC PRODUCTS; GLASS AND GLASSWARE 69 Ceramic Products 69 09 CERAMIC WARES FOR USE IN LABORATORIES... AGRICULTURE AND PACKING GOODS 69 09 12 Articles having a hardness equivalent to 9 or more on the Mohs scale Commodity Code Description 69 09 12 00 Articles having a hardness equivalent to 9 or more on the Mohs scale
