High-Purity Graphite Cupel for Fire Assay from Germany
Specialized graphite cupels used in fire assay for precious metal analysis. Contains over 50% free carbon, fired after shaping for analytical laboratory use. Absorbs lead button during precious metal parting.
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
• Mining/assaying end-use documentation prevents tableware misclassification
• Purity certificates (>99% carbon) support high-carbon heading
• Bulk shipments may qualify for different statistical reporting suffixes