Dental Lab Gold Alloy Incineration Ash from Mexico
Ash from incinerating dental prosthesis trimmings and grindings containing gold alloys (≥2% gold by weight per note 5(b)). Principally used for gold recovery in precious metal refineries.
Duty Rate — Mexico → 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
• Provide dental lab waste manifests and metal content assays; ensure biohazard-free certification post-incineration; declare as recovery material not finished goods