Float Zone Crystal Grower Circulation Pump Diffuser from Japan
Custom diffuser for circulation pumps in float zone crystal growers, optimizing argon gas-liquid flow for pure silicon production. Part of HTS 8413.30.90 pumps, thus 8413.91.9010. Essential for defect-free monocrystalline boules.
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
• CFD simulation data may be requested for flow verification; require ultrapure material certification; specify float zone process application