Indian Sillimanite Sand from Canada
Beach sand deposit sillimanite from Indian coastal mines, washed and dried to -100+200 mesh. HTS 2508.50.00.00 covers this naturally concentrated sillimanite used in investment casting shells.
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
• Heavy mineral sand separation certificates required; verify monazite removal
• Radioactivity screening mandatory for beach sands (thorium content)
• Dredging method documentation may affect origin claims