US Aluminum Heat Sink Extrusions Anodized from Mexico
Complex aluminum extrusions produced from US billet in American extrusion plants, exported for hard coat anodizing and chromate conversion coating, returned for electronics assembly. The surface treatments are critical manufacturing processes improving thermal and corrosion properties. Covered by 9802.00.60.00 metal processing provision.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document extrusion die drawings and US billet chemistry proving American manufacture
• Include anodizing MIL-spec compliance certifications and coating thickness measurements
• Maintain production lot traceability from extrusion through foreign processing to reimport