Cupel for Fire Assay from Germany
Magnesia ceramic cupel absorbing lead in precious metal fire assay analysis. Specifically named in HTS 6903.90.00 refractory goods for metallurgical testing. Bone ash-magnesia fired composition.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Assay lab certification; small size doesn't change refractory status
• Common issue: classified as Chapter 38 chemicals