3402.90.50.50/Polyether Siloxane Copolymer Surfactant/Mexico

Polyether Siloxane Copolymer Surfactant from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Submit surface tension data (<25 dyne/cm typical for silicone surfactants)

• Specify end-use (agricultural/industrial) to avoid personal care classifications