Ammonium Aluminum Sulfate Tanning Salt
Ammonium aluminum sulfate, also known as alum, is an inorganic tanning agent used to produce vegetable-retanned or combination leathers with a firm texture. It is classified under tariff item 3202.90.00 as an inorganic tanning substance.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product contains organic tanning agents
Pure inorganic salts fall under 3202.90.00, but mixtures with organic substances may be classified elsewhere.
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
• Confirm the product is not mixed with organic compounds to ensure classification under 3202.90.00
• Provide a safety data sheet to the CBSA if required
• Check for any restrictions on aluminum compounds
Related Products under Tariff item 3202.90.00
Acrylates-Based Synthetic Tanning Drum
Liquid acrylate polymer emulsion used as a chrome-free synthetic tanning agent in drum processing. It is a synthetic organic tanning substance classified under tariff item 3202.90.00 as 'Other'.
Aluminum Isopropoxide Tanning Complex
Aluminum isopropoxide is an organometallic aluminum compound used as a synthetic tanning agent for producing 'wet-white' leather alternatives to chrome tanning. It is classified under tariff item 3202.90.00 as a synthetic organic tanning substance.
Aluminum Sulfate Leather Tanning Salt
Aluminum sulfate is an inorganic tanning substance used in the leather industry, often in combination with chrome salts to produce combination-tanned leathers with enhanced stability. It falls under tariff item 3202.90.00 as an inorganic tanning substance, which is included in the description of the heading.
Chromium III Sulfate Tanning Agent
Chromium III sulfate is an inorganic tanning substance used in the leather industry to convert animal hides into durable leather through chrome tanning. It is classified under tariff item 3202.90.00 as an inorganic tanning substance.
Chromium Sulfate Tanning Agent
Chromium sulfate is an inorganic compound used as a primary tanning agent to convert raw hides into durable leather by cross-linking collagen fibers. It is classified under tariff item 3202.90.00 as an inorganic tanning substance.
Complexing Agent for Tanning Bath
EDTA-free polycarboxylate complexing agent prevents chrome precipitation in tanning baths. It is a tanning preparation classified under tariff item 3202.90.00 as 'Other'.