6909            |    Ceramic wares for laboratory, chemical or other technical uses; ceramic troughs, tubs and similar receptacles of a kind used in agriculture; ceramic pots, jars and similar articles of a kind used for the conveyance or packing of goods.
6909.11.00     -- Of porcelain or china
6909.12.00     -- Articles having a hardness equivalent to 9 or more on the Mohs scale
6909.19.00     -- Other
6909.90.00   - Other