Natural Sodium Bentonite Clay from Germany
A naturally occurring sodium-based bentonite clay mined from volcanic ash deposits, used primarily as a drilling mud additive in oil and gas exploration. It falls under HTS 2508.10.00.00 as unprocessed bentonite clay, distinct from expanded clays or other minerals excluded by chapter notes.
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
• Verify mineral composition via lab testing to confirm bentonite content and avoid misclassification as earth colors under heading 2530
• Provide geological origin certificates and ensure no chemical modifications to qualify as raw clay under Chapter 25
• Check for radioactive contaminants common in natural clays; include assay reports to prevent customs holds