Tantalum Etching Residue
Tantalum etching residue is a fine particulate recovered from chemical etching baths used in circuit board manufacturing. Once dried, it consists primarily of tantalum metal in powder form and is considered waste and scrap under tariff item 8103.30.00. This material is not usable as-is and is imported for recycling or recovery of tantalum content.
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 residue is processed into a pure tantalum powder meeting the 90% sieve test
Powders of tantalum are classified under the unwrought and powder heading, not as waste.
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 residue is dried and free of hazardous etching chemicals to avoid CBSA classification as dangerous goods
• Declare the material as waste and scrap under 8103.30.00; if it contains recoverable tantalum above 99% purity, it may be reclassified as powder
• Keep records of the etching process to prove it is not usable as tantalum articles
Related Products under Tariff item 8103.30.00
Rejected Tantalum Ingots
Off-specification tantalum ingots from electron beam melting, exhibiting cracks or impurities, are destined for remelting. These ingots are not usable as finished articles due to their defects, qualifying them as waste and scrap under tariff item 8103.30.00.
Spent Tantalum Sputtering Targets
Spent tantalum sputtering targets, depleted after use in semiconductor thin-film deposition, are no longer viable for their original purpose. Their eroded and contaminated state renders them unusable as targets, qualifying them as waste and scrap under tariff item 8103.30.00.
Tantalum Chemical Reactor Scrap
Corroded sections removed from tantalum-lined chemical reactors, exposed to aggressive acids, are no longer usable in their original form. This heavy scrap is definitively not usable as reactor components, qualifying as waste and scrap under tariff item 8103.30.00.
Tantalum Electrolyte Anode Scrap
Spent basket anodes from tantalum anodizing processes for capacitor leadwires, heavily pitted from use, are no longer functional. These anodes are definitively not usable as such due to wear, qualifying as waste and scrap under tariff item 8103.30.00.
Tantalum Evaporation Boat Scrap
Deformed and spent tantalum boats used for vacuum evaporation of metals in thin film coating are no longer usable for their intended purpose. Their deformation and contamination render them waste and scrap under tariff item 8103.30.00.
Tantalum Foil Trimmings
Edge trimmings and offcuts from tantalum foil used in chemical processing equipment are generated during sheet fabrication. These trimmings are high-purity tantalum but are not usable as foil, qualifying as waste and scrap under tariff item 8103.30.00.