IIR Butyl Rubber Lumps for Seals from Mexico
Irregular lumps of unprocessed isobutene-isoprene (butyl) rubber for industrial seal production. Meets HTS 4002.31.00.00 as primary bulk form per chapter note 3(b), unadulterated synthetic rubber.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Test for essential character retention; small antioxidants permitted per note 5(b)