Czochralski Crystal Puller Flow Control Valve from Germany
High-purity valve for regulating argon or nitrogen flow in Czochralski crystal growers used to produce monocrystalline silicon boules for wafers. Classified under HTS 8481.90.9085 as 'other' parts tailored for semiconductor material growth equipment. Meets statistical note (a)(i) for crystal pullers.
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
• Provide detailed blueprints showing semiconductor boule production compatibility to justify 8481.90.9085 over broader categories
• Label with material certifications (e.g
• electropolished 316L stainless) to comply with FDA-equivalent cleanroom standards