High-Purity Urea Resin for Foundry Binders from China
Ultra-pure urea-formaldehyde resin powder for core binder systems in metal casting, with consistent polymerization properties. Classified HTS 3909.10.00.00 as primary form urea resin per 95% monomer rule. Rapid curing enables complex sand mold production.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify gel time specs in documentation for foundry verification; moisture content <0.5% critical for shelf life; comply with OSHA formaldehyde exposure limits