Semiconductor Wafer Cooling Pump Rotor from Japan
A stainless steel rotor assembly for liquid cooling pumps used in temperature-controlled environments during semiconductor wafer fabrication. Classified under HTS 8413.91.9010 as a part of 8413.30.90 pumps for semiconductor processing. It maintains precise coolant flow to prevent thermal damage in crystal pullers.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.94.4315%Parts of passenger vehicles and light trucks that are products of Japan as provided for in subdivision (l) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent as provided for in subdivision (m) of U.S. note 33 to this subchapter.
9903.74.110%Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide pump model cross-reference documentation; test for particulate generation per SEMI standards; declare exact material composition to avoid misclassification