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
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide dental lab waste manifests and metal content assays; ensure biohazard-free certification post-incineration; declare as recovery material not finished goods