Industrial Grade Polymeric MDI (MDI-P) from Canada
Industrial MDI-P is crude poly(methylene phenyl isocyanate) for binding wood panels in OSB production, precisely matching HTS 3909.31.00.00 criteria. Primary polymer form used in isocyanate wood glue systems. High-functionality oligomer for structural composites.
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
• Certify no polyol pre-reaction to maintain primary form status
• Comply with EPA VOC emission standards for wood products
• Pitfall: Multi-pack shipments may classify as sets under GRI 3