Cobalt Carbonate Catalyst Precursor from Mexico
Cobalt carbonate used as precursor for Fischer-Tropsch synthesis catalysts, decomposing to active cobalt oxide phases. HTS 2836.99.10.00 applies to this chemically defined carbonate before thermal processing.
Duty Rate — Mexico → United States
4.2%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include decomposition temperature specs (200-300°C); proves precursor status
• Bulk container liners required; hygroscopic nature causes caking