RF Float Zone Turbine Stationary Support Blades from Mexico
Stationary support blades in steam turbine systems for RF float zone crystal growers, stabilizing zone translation for ultra-pure silicon rods. Essential for minimizing oxygen impurities in semiconductor material. Classified HTS 8406.90.40.00 as stationary turbine blades.
Duty Rate — Mexico → United States
30%
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
• Document RF coil integration with turbine drive for classification
• Specify high-vacuum compatibility materials to distinguish from standard turbines
• Separate from RF generator parts (8515) on invoices