Traprock Concrete Coarse Aggregate from Germany
Dense traprock (diabase) crushed to 1-1/2 inch maximum size for structural concrete coarse aggregate. Superior bonding properties under HTS 2517.10.00 concrete aggregate use. Dark green-black color.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Bond strength test data differentiates from decorative traprock
• ASTM C29 specific gravity certification proves heavyweight concrete suitability
• Pure traprock without basalt mix maintains consistent classification