Mixed Precious Metal Filter Cake Ash
Incinerated filter cake ash from precious metal refining precipitation filters, containing mixed gold, silver, and PGM compounds for recovery.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If metallic sweepings or grindings
Solid metallic refinery waste uses 7112.29 before filter processing to ash.
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
• Specify predominant metal for classification per note 5; provide filter media burn certificates; ensure <0.5mm powder compliance if applicable
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.