Dental Lab Gold Alloy Incineration Ash
Ash produced by incinerating dental prosthesis trimmings and grindings that contain gold alloys with at least 2% gold by weight. This ash is used principally for gold recovery in precious metal refineries, making it classifiable under tariff item 7112.30.00 as ash containing precious metal compounds.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the ash is not predominantly for gold recovery but contains other precious metals in higher proportion
Other waste and scrap containing precious metal compounds may fall under this alternative if the principal metal differs.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the ash contains at least 2% gold by weight to qualify as precious metal ash under Note 5(b)
• Provide a certificate of analysis or assay report to CBSA to confirm the gold content
• Declare the ash as waste for recovery to avoid potential restrictions on hazardous materials
Related Products under Tariff item 7112.30.00
Gold Cyanidation Tailings Ash
Dried and ashed tailings from gold cyanidation leaching processes that contain residual gold compounds. These tailings are processed further for gold recovery, and the ash falls under tariff item 7112.30.00 as ash containing precious metal compounds.
Gold Electroforming Waste Ash
Ash generated from electroforming process wastes that contain gold strike and flash plating compounds. This ash is used for gold recovery and is classified under tariff item 7112.30.00 as ash containing precious metal compounds.
Gold Recovery Ash from Jewelry Manufacturing
Fine ash residue from incinerating jewelry workshop waste, containing gold compounds and trace precious metals. This ash is used principally for precious metal recovery and is classified under tariff item 7112.30.00 as ash containing precious metal compounds.
Jewelry Sweepings Incineration Ash
Ash from burning floor sweepings and dust from gold and silver jewelry workshops, rich in precious metal particulates and compounds. This ash is used for precious metal recovery and falls under tariff item 7112.30.00.
Mixed PGM Anode Slime Ash
Incinerated anode slime ash from copper or nickel electrorefining that contains platinum group metals and gold. This ash is used principally for precious metal recovery and is classified under tariff item 7112.30.00.
Mixed Precious Metal Filter Cake Ash
Incinerated filter cake ash from precious metal refining precipitation filters, containing mixed gold, silver, and PGM compounds. This ash is used for precious metal recovery and falls under tariff item 7112.30.00.