Benzene Derivative Accelerating Admixture for Concrete from Mexico
Set-accelerating liquid with benzene-based compounds (>5% aromatics) to speed concrete curing in cold weather. HTS 3824.40.10.00 for aromatic prepared additives in concretes. Reduces waiting time for formwork removal.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document chloride content if for prestressed concrete; comply with ASTM C494 standards
• Separate from calcium chloride accelerators in declarations