High-Strength Nonrefractory Concrete Mix from Canada
Dry powder concrete achieving 10,000 PSI strength with silica fume and superplasticizers for bridges and high-load structures. Nonrefractory for ambient conditions. Under HTS 3824.50.00 as advanced prepared nonrefractory concrete.
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
• Provide mix design reports for engineering approvals
• Declare silica fume percentage for health/safety filings
• Coordinate with DOT specs for infrastructure projects