Dynasol Calprene 701 SBS Granules from Mexico
Dynasol Calprene 701 SBS granules feature solution-polymerized SBS with balanced styrene (<50%), used in polymer modification and compounding. Falls under HTS 4002.19.00.14 as thermoplastic elastomer granules qualifying as synthetic rubber primary forms. No vulcanization or disallowed additives present.
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
• Batch certificates must list exact styrene % and polymerization method for entry summary
• Segregate from emulsion SBR inventory to avoid mixing statistical categories
• FTA claims require clean bill showing primary form, not articles