Wafer Grinding Coolant Agitator from Canada
Continuous stirring machine for coolant reservoirs in wafer grinders/lappers, preventing abrasive settling during backgrinding to achieve <1 micron flatness. HTS 8479.82.0040 for semiconductor wafer preparation equipment mixing per statistical note (a)(ii)(C). Maintains suspension for TTV control.
Duty Rate — Canada → United States
60%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
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 coolant flow rates matching grinder specifications (5-20 GPM)
• Provide particle settling prevention test results for sub-micron abrasives