Basalt Concrete Aggregate from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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