Polyurethane Precursor P-MDI 44V20L from China
P-MDI 44V20L is a low-viscosity crude polymeric MDI for flexible foam precursors, falling under HTS 3909.31.00.00 per polymer classification rules for monomer predominance. Primary form essential for slabstock and molded foam production. Bulk liquid chemical for resin manufacturers.
Duty Rate — China → United States
41.5%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Test for exact NCO equivalent to validate 3909.31 classification vs copolymers
• Register under TSCA if new formulation
• Common error: Packaging as consumer-ready kits shifts to other headings