Rust Converter Pickling Primer from Canada
Tannic acid-based pickling primer that converts rust to stable iron tannate on structural steel surfaces. Under 3810.10.00.00 as metal surface pickling preparation applied before painting. Single-component, no mixing required for field use.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include application instructions proving pickling conversion mechanism
• Test for VOC compliance with US EPA paint regulations
• Use HDPE containers resistant to acidic formulations