Clay Cupel for Assay from Germany
Small clay cupels used in precious metal fire assaying to collect beads. Traditional fired clay construction fits 6903.90.00.10 as explicitly named refractory goods.
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
• Include assay process description to justify refractory classification
• Declare quantity per standard assay set for valuation
• Distinguish from common lab porcelain (6909)