Monocrystalline Silicon Processing Vapor Turbine Rotor from Germany
Specialized finished rotor for vacuum vapor turbines in semiconductor crystal growth systems, such as Czochralski pullers. Ensures contamination-free high-vacuum operation during silicon boule production. Under HTS 8406.90.5000 for semiconductor-related turbine parts.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include cleanroom compatibility certifications (ISO 14644) for statistical note validation
• Declare vacuum ratings and material purity levels in entry documentation
• Apply for duty exemptions under HTSUS semiconductor provisions if eligible