Poly(3-methyl-1-butene) Granules from Mexico
Poly(3-methyl-1-butene) granules, a specialty olefin polymer (>95% named monomer), under HTS 3902.90.0050 primary forms. Used in lightweight molded parts. Fits poly-prefix rule in notes.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Lab certify 3-methyl-1-butene >95%
• Document non-food contact if applicable