Pozzolanic Hydraulic Cement Blend from Canada
Blend of Portland clinker (<50%), fly ash, and gypsum creating hydraulic set via pozzolanic reaction. HTS 2523.90.00.00 for such composite other hydraulics. Sustainable alternative for low-carbon concrete.
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
• Clinker fraction analysis critical; >50% becomes Portland cement
• Fly ash quality certs (Class F/C) required for green building claims
• Avoid declaring as 'slag substitute' which confuses with 2523.28