Bulk Natural Tripoli Lumps from Canada
Crude tripoli (rottenstone) irregular pieces, siliceous sedimentary rock for metal polishing. Natural abrasive under HTS 2513.20.1000.
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
• SiO2 purity tests essential