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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Thermal analysis (DSC) proving no calcination history
• Grading curve certificates for aggregate specs
• Expansion testing for concrete admixture suitability