Wafer Grinder Coolant Chiller Coils from Mexico
Evaporator coils for chillers maintaining coolant at 18-22°C in semiconductor wafer grinders. Prevents thermal distortion during precision grinding per statistical note (a)(ii)(A). 8419.90.95 cooling process parts.
Duty Rate — Mexico → United States
14%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify coil materials resistant to glycol-water coolant corrosion
• Document BTU capacity matched to specific grinder heat loads
• Avoid general refrigeration parts declaration (8418); prove semiconductor integration