Chromite-Magnesite Constructional Block from Canada
Chromite-magnesite constructional blocks are refractory ceramic blocks fired for rotary cement kilns, offering resistance to chemical attack. They serve as durable lining materials. Classified as other refractory ceramic constructional goods in HTS 6902.90.50.20.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide evidence of shaping at room temperature followed by firing >800°C per Chapter notes
• Avoid bulk packaging confusion; specify constructional end-use in commercial invoice
• Comply with hexavalent chromium testing if applicable for safety declarations