Ammonium Aluminum Sulfate Tanning Salt from China
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.
Duty Rate — China → Canada
0%
Import Tips
• 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