Calcined-Free Gypsum Aggregate from Canada
Crushed gypsum aggregate for concrete admixture, verified non-calcined. HTS 2520.10.00.00 as crude material improving workability. Used in self-leveling compounds.
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
• Thermal analysis (DSC) proving no calcination history
• Grading curve certificates for aggregate specs
• Expansion testing for concrete admixture suitability