Sulfuric Acid Pickling Waste from Copper Processing
Spent sulfuric acid from copper strip cleaning operations, saturated with copper sulfate crystals. This product is a waste of metal pickling liquors under Chapter Note 6(d) of Chapter 38, and is classifiable under tariff item 3825.50.00.
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% |
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 waste is primarily an organic solvent
Waste organic solvents are classified in subheading 3825.49, but this product is a metal pickling liquor 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
• Declare the waste as metal pickling liquor waste and provide a chemical analysis showing the copper sulfate content
• Verify if the waste is hazardous under Canadian regulations and obtain the necessary permits
• Ensure proper labelling and containment for transport
Related Products under Tariff item 3825.50.00
Aircraft Brake Fluid Waste
Waste synthetic hydraulic fluid (MIL-PRF-83282) drained from aircraft brake systems during maintenance, contaminated with particulates and moisture. This product is a waste of hydraulic fluids as specified in Chapter Note 6(d) of Chapter 38, and is not fit for further use as a primary product.
Biodegradable Hydraulic Fluid Waste
Spent vegetable oil-based hydraulic fluid from environmentally sensitive equipment, emulsified with water and no longer suitable for lubrication. This product is a waste of hydraulic fluids under Chapter Note 6(d) of Chapter 38, regardless of its biodegradable base.
Contaminated Hydraulic Fluid from Mining Equipment
Degraded hydraulic fluid from heavy mining excavators, mixed with ore dust and water, unfit for lubrication. This product is a waste of hydraulic fluids as defined in Chapter Note 6(d) of Chapter 38, and is classifiable under tariff item 3825.50.00.
Marine Engine Antifreeze Waste
Used extended-life coolant from marine diesel engines, contaminated with seawater and cylinder liner corrosion products. This product is a waste of anti-freeze fluids under Chapter Note 6(d) of Chapter 38, and is classifiable under tariff item 3825.50.00.
Spent Hydraulic Fluid from Industrial Machinery
Used hydraulic oil from heavy machinery pumps and cylinders, contaminated with water, particulates, and degraded additives, unfit for further use. This product is a waste of hydraulic fluids as specified in Chapter Note 6(d) of Chapter 38, and is classifiable under tariff item 3825.50.00.
Spent Phosphoric Acid Pickling Liquor
Used phosphoric acid bath waste from metal surface treatment in automotive manufacturing, laden with metal phosphates and sludge. This product is a waste of metal pickling liquors under Chapter Note 6(d) of Chapter 38, and is classifiable under tariff item 3825.50.00.