Limestone Filter Media Stone from Germany
Graded crushed limestone (3-6 inch) used as filter media in water treatment plants. Classified HTS 2517.10.00.20 as crushed limestone for concrete or similar aggregate uses. Meets legal definition excluding pebbles while fitting common construction applications.
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
• Water absorption and acid solubility tests required; specify filtration end-use; quarantine periods for invasive species in quarry runoff