Construction Grade Gypsum from Canada
High-purity gypsum lumps selected for wallboard manufacturing. HTS 2520.10.00.00 covers this crude form before calcining into stucco. Essential raw material for drywall production.
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
• Color and whiteness index testing to meet construction specs without reclassifying as colored plaster
• Quarry origin certificates for supply chain traceability in green building certifications
• Avoid accelerators; even small quantities shift to plaster subheadings