Citric Acid Stainless Steel Passivation Gel from China
Citric acid-based thixotropic gel for passivating stainless steel welds and surfaces, removing free iron without chlorides. It acts as a pickling preparation that restores the chromium oxide layer, meeting the description of tariff item 3810.10.00.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the gel is not a separate chemically defined citric acid product, as that would fall under Chapter 29
• Provide documentation that it is a preparation for metal surface treatment
• Ensure the product is not classified as a medicament or food additive