Raw Andalusite Ore from Canada
Raw andalusite ore consists of natural andalusite crystals extracted from deposits, typically containing 55-60% alumina. Classified under HTS 2508.50.00.00 as uncalcined andalusite, it serves as a raw material for refractory bricks and high-temperature ceramics.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide mining origin certificates and XRF analysis confirming andalusite composition to prevent reclassification
• Ensure proper packaging declarations for bulk mineral shipments to avoid expanded clay confusion
• Check for radioactivity certificates if sourced from certain deposits, as some aluminosilicates contain trace uranium