Dental Amalgam Waste
Mercury-contaminated amalgam scrap from dental clinics containing silver, tin, and unused fillings. This is classified as clinical waste under Chapter Note 6(a) due to its origin from medical procedures and heavy metal content, requiring special disposal.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | — | 6.5% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇺🇸United States | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the amalgam waste is being recovered for its precious metal content
Spent catalysts or waste containing precious metals for recovery may fall under heading 7112.
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
• Comply with the Canadian Environmental Protection Act for mercury-containing waste imports
• Ensure the waste is packaged in approved containers to prevent mercury vapor release
• Provide documentation of the waste's origin and composition for customs and environmental review
Related Products under Tariff item 3825.90.00
Brake Fluid Waste
Contaminated hydraulic brake fluid waste from automotive service centers, containing glycol ethers and corrosion inhibitors. This product is classified as waste of hydraulic fluids under Chapter Note 6(d) of Chapter 38, as it is not fit for further use as a primary product.
Chemical Plant Scrubber Sludge
Wet scrubber solids from HCl absorption towers containing ammonium chloride crystals, arising from chemical plant operations. This is classified as other wastes from chemical or allied industries under Chapter Note 6(d), as it is a process residual not elsewhere specified.
Clinical Waste Sharps Container
Sealed containers of used syringes, needles, and lancets from medical procedures, classified as clinical waste under Chapter Note 6(a). This waste requires special disposal procedures due to contamination with pathogens and pharmaceutical substances.
Hydraulic Fluid Waste
Contaminated phosphate ester hydraulic fluid from industrial machinery containing wear metals. This is classified as waste of hydraulic fluids under Chapter Note 6(d), as it is not fit for further use as a primary product.
Lab Cleaning Solvent Waste
Spent IPA/acetone mixtures from laboratory glassware cleaning containing dissolved organics. This is classified as waste organic solvents under Chapter Note 6(b), as it is not fit for further use as primary products.
Metal Pickling Liquor Waste
Spent acid solutions from steel pickling containing iron salts and sulfuric acid. This is classified as waste of metal pickling liquors under Chapter Note 6(c), as it is a byproduct of metal processing and not fit for further use.