Anhydrous Aluminum Sulfate from United States
Anhydrous aluminum sulfate (Al2(SO4)3) is the dehydrated form of the aluminum salt, used in paper sizing and flame retardants. As a chemically defined sulfate of aluminum, it falls squarely under tariff item 2833.22.00, with no exclusions in Chapter 28.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the anhydrous form is not hygroscopic to the point of being a solution, which could affect classification
• Provide the CAS number and purity certificate to expedite CBSA clearance
• Verify that no added anti-caking agents render the product suitable for a specific use beyond general aluminum sulfate applications