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8419.90.30.00/Wafer Crystal Grinder Coolant Heat Exchanger/Mexico

Wafer Crystal Grinder Coolant Heat Exchanger from Mexico

Compact coolant-to-water heat exchanger for crystal grinders, maintaining boule grinding temperatures to precise diameters for wafer slicing. HTS 8419.90.30.00 as part of heat exchange units in semiconductor wafer preparation machinery. Prevents thermal distortion during flat grinding for conductivity indication.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Specify diamond abrasive coolant flow rates in docs; ensure pressure vessel certification (ASME)

• Pitfall: classifying as machine tool part under 8466 without semiconductor context

Wafer Crystal Grinder Coolant Heat Exchanger from Mexico — Import Duty Rate | HTS 8419.90.30.00