Prepolymeric MDI Isocyanate from Canada
Prepolymeric MDI is a low-viscosity isocyanate prepolymer for flexible foam production, chemically defined under chapter scope. HTS 2929.10.55.00 applies due to its inclusion in additional U.S. note 3.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide NCO content analysis for verification; store in nitrogen-blanketed tanks
• Pitfall: classifying as finished polymer if reaction incomplete