Wafer Polisher Chemical Pump Diaphragm from Japan
PTFE diaphragm for metering pumps delivering polishing chemicals in wafer surface preparation systems. Classifies as part of HTS 8413.30.90 pumps under 8413.91.9010. Resistant to aggressive semiconductor slurries.
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
• Chemical compatibility charts required; flex life cycle testing data; specify semiconductor slurry formulation