Formic Acid for Wastewater pH Adjustment from Canada
Technical 90% formic acid for industrial effluent neutralization, HTS 2915.11.00.00. Biodegradable acid replaces sulfuric in water treatment applications.
Duty Rate — Canada → United States
15.5%
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
• Bulk tanker documentation emphasizes chemical identity over treatment use
• Biodegradability claims don't affect classification