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
9903.05.2910%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
• SiO2 purity tests essential