Isopentane Blowing Agent from Canada
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 — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Certify compliance with TSCA for chemical import notification; label as extremely flammable
• Pitfall: incorrect boiling point specs leading to misclassification