Phosphoric Acid Metal Descaling Paste from United States
Thick paste containing phosphoric acid for descaling and derusting aluminum and stainless steel surfaces in aerospace and automotive repair. It acts as a pickling preparation for metal surfaces, meeting the description of tariff item 3810.10.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the paste is a preparation, not pure phosphoric acid, to avoid Chapter 28 classification
• Provide a technical data sheet showing its pickling function
• Ensure proper labeling for acidic pastes under Canadian regulations