Roman-Type Hydraulic Cement from Canada
Replicated pozzolanic hydraulic cement using volcanic ash and lime, sets underwater like ancient Roman opus caementicium. HTS 2523.90.00.00 as other hydraulic due to blended hydraulic properties. Applied in marine and archaeological restoration.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Lab test for hydraulic index per EN 459 to confirm classification
• Declare ash/lime ratios precisely; high pozzolan may shift headings
• Use ISPM-15 compliant pallets for bagged cement to prevent quarantine issues