Pepset Polyurethane Foundry Binder from Mexico
Part A (phenolic resin) and Part B (isocyanate) system activated by proprietary amine catalyst for precision core making. HTS 3824.10.00.00 classification for these specialized no-bake foundry binders. Widely used in high-volume aluminum die casting operations.
Duty Rate — Mexico → United States
16%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Separate Part A/B components require matching lot numbers on import documentation
• Include curing time/performance data distinguishing from general polyurethane prepolymers
• Beware of EPA scrutiny on isocyanate emissions; maintain air quality test records