Dental Lab Gold Alloy Incineration Ash
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If metallic filings or clippings before ashing
Dental gold scrap in solid metallic form uses 7112.29, distinct from powdered ash.
If unprocessed dental waste mixtures
Contaminated dental appliances may classify under pharmaceutical waste if not separated.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide dental lab waste manifests and metal content assays; ensure biohazard-free certification post-incineration; declare as recovery material not finished goods
Related Products under HTS 7112.30.01.00
Palladium Membrane Filter Ash
Ashed remains from hydrogen separation palladium membranes in gas purification systems.
Mixed PGM Anode Slime Ash
Incinerated anode slime ash from copper/nickel electrorefining containing PGMs and gold for recovery.
Gold Electroforming Waste Ash
Ash from electroforming process wastes containing gold strike and flash plating compounds.
Platinum Lab Crucible Ash
Ash residue from cleaning and incinerating platinum laboratory crucibles contaminated with precious metal traces.
Gold Recovery Ash from Jewelry Manufacturing
Fine ash residue generated during the incineration of jewelry workshop waste, containing gold compounds and trace precious metals used for recovery. Classified under HTS 7112.30.01.00 as ash principally used for precious metal extraction, not electronic scrap. Meets chapter notes for waste containing precious metal compounds over 2% by weight.
Platinum Catalyst Recovery Ash
Ash from burned-out automotive catalytic converters and chemical catalysts containing platinum group metals (PGMs) like platinum and palladium compounds. Used principally for PGM recovery; classified as 7112.30.01.00 per subheading notes defining platinum alloys.