Cupel Refractory Dish from Canada
Bone ash cupel for precious metal assaying in cupellation furnaces, absorbing base metals. Explicitly named refractory ceramic under HTS 6903.90.00.50.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Certify bone ash >25% for distinction; lab use declarations; small package exemptions possible