Raw Pumice Stone Lumps from Canada
Unprocessed pumice stone extracted from volcanic deposits, used primarily as a natural abrasive in industrial grinding and polishing applications. It falls under HTS 2513.10.00 as crude pumice stone, whether or not heat-treated, distinct from manufactured abrasives. The porous, lightweight nature makes it ideal for tumbling and surface preparation.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify origin certificates to confirm natural pumice and avoid misclassification as synthetic abrasives; ensure heat-treatment status is documented if applicable; watch for contamination that could shift it to waste headings