Modified Aromatic Polyurethane Binder from Mexico
Industrial binder formulation for foundry cores and molds, incorporating modified aromatic isocyanates exceeding 5% by weight for superior adhesion and heat resistance. Falls under HTS 3824.99.2900 as a prepared chemical mixture n.e.s. with aromatic substances, distinct from basic polymers.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Ensure foundry binder declaration matches composition to avoid reclassification; provide end-use certificates for industrial applications
• Watch for VOC content compliance under EPA rules