Float Zone Crystal Furnace Gas Injector from Japan
Injector nozzle for float zone crystal growers that disperses inert gases to stabilize the molten zone during monocrystalline semiconductor production. Classified in HTS 8424.90.9080 as a part for jet projecting gases/powders in crystal pulling machines. Key for defect-free boule growth.
Duty Rate — Japan → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 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
• Specify gas dispersion technical drawings in entry docs; high-temp material certs required for furnace compatibility; pitfall: incorrect Chapter 84 heading leading to higher duties