HCFC-124 Foam Blowing Agent from Mexico
Monochlorotetrafluoroethane specifically manufactured for polyurethane foam insulation production in appliances. Classified under HTS 2903.79.90.30 as the pure chemical compound meeting Chapter 29 scope for halogenated acyclic hydrocarbons.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Obtain EPA Significant New Alternatives Policy (SNAP) documentation; certify foam end-use application; validate zero-Ozone Depletion Potential compliance data