Polyether Siloxane Copolymer Surfactant from Canada
Silicone-based surfactant used as anti-foam and wetting agent in industrial cleaners and pesticides. Demonstrates surface-active properties per Chapter 34 note 2 through exceptional tension reduction. HTS 3402.90.5050 for silicone-modified organic surfactants.
Duty Rate — Canada → United States
13.7%
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
• Submit surface tension data (<25 dyne/cm typical for silicone surfactants)
• Specify end-use (agricultural/industrial) to avoid personal care classifications