Cobalt Carbonate for Porcelain Glaze from Canada
High-purity cobalt carbonate specifically graded for blue porcelain and ceramic glazes, providing intense color development at high firing temperatures. Classified in HTS 2836.99.10.00 as it is a simple inorganic cobalt carbonate salt.
Duty Rate — Canada → United States
4.2%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Specify particle size (5-10 micron) in commercial invoice; affects glaze performance claims
• Test firing samples pre-shipment; color variance disputes common at entry