Wafer Grinder Coolant Chiller Coils from Canada
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 — Canada → United States
14%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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