Basalt Concrete Aggregate from Mexico
Crushed basalt stone aggregate with excellent compressive strength, sized for ready-mix concrete production. HTS 2517.10.00 classification due to primary use in concrete aggregates and road base. Dark color from natural iron content.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ASTM C33 Type B grading certification essential for concrete aggregate acceptance
• Soundness test results (sodium sulfate) required for durable construction stone
• Avoid fieldstone mix; pure crushed basalt maintains correct classification