Section 13 ARTICLES OF STONE, PLASTER, CEMENT, ASBESTOS, MICA OR SIMILAR MATERIAL S; CERAMIC PRODUCTS; GLASS AND GLASSWARE 69 Ceramic products 69 09 Ceramic wares for laboratory, chemical or other technical uses; ceramic troughs, 69 09 11 69 09 11 00 Commodity Code Description 69 09 11 00 00 -- Of porcelain or china 69 09 12 00 00 -- Articles having a hardness equivalent to 9 or more on the Mohs scale 69 09 19 00 00 -- Other 69 09 90 00 00 - Other