Descaling Powder for Metal from Mexico
A blended powder of sulfamic acid, phosphates, and inhibitors for immersion descaling of heat exchanger tubes. This product is classified under tariff item 3810.90.00 as a metal pickling preparation, dissolving calcium and magnesium scale without hydrogen embrittlement.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the product is formulated for metal descaling and not for general cleaning, which could shift classification
• Provide a certificate of analysis showing the blend of sulfamic acid and inhibitors
• Ensure compliance with Canadian hazardous goods regulations for acidic powders