Semiconductor Wafer Grinding Coolant Pump from Canada
High-precision pump for circulating coolant fluids during crystal grinding of semiconductor boules to exact wafer diameters. Essential in wafer preparation equipment to maintain temperature control and surface flatness as per statistical note (b)(ii)(A). Classified in HTS 8413.81.00 as other pumps for semiconductor liquids.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include SEMI-standard specifications proving use in crystal boule grinding for tariff preference
• Maintain records of coolant fluid types used to demonstrate semiconductor-specific application
• Avoid general 'coolant pump' descriptions; specify wafer preparation context in invoices