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Semiconductor Lapping Machine Temperature Control Units from Canada

Integrated chiller/heater modules for wafer lapping equipment that maintain slurry temperature within 0.1°C tolerances during semiconductor wafer surface preparation. Directly referenced in statistical note (a)(ii)(C) as wafer grinders/lappers/polishers. Classifies as 8419.90.95 parts for temperature treatment.

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

Provide temperature uniformity specs (ASTM standards) proving semiconductor precision requirements

Reference end-use in 200mm/300mm wafer fabs to qualify for manufacturing duty programs

Avoid reclassification by documenting integration with lapping plate chillers

Semiconductor Lapping Machine Temperature Control Units from Canada — Import Duty Rate | HTS 8419.90.95