Cupel Refractory Dish from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify bone ash >25% for distinction; lab use declarations; small package exemptions possible