Isopentane Blowing Agent from Mexico
Technical-grade isopentane used industrially as a physical blowing agent for expandable polystyrene (EPS) foam insulation. As a pure saturated acyclic hydrocarbon, it fits HTS 2901.10.30.00 under Chapter 29 definitions. Provides low boiling point for foam expansion.
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
• Certify compliance with TSCA for chemical import notification; label as extremely flammable
• Pitfall: incorrect boiling point specs leading to misclassification