Semiconductor Quartz Process Tube from Germany
High-temperature fused quartz process tube for diffusion and oxidation stages in silicon wafer fabrication. Features precise ID/OD tolerances for horizontal furnace insertion. Specifically classified in HTS 7020.00.30.00 for semiconductor manufacturing applications.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify length/diameter matching standard furnace specs (e.g
• 150mm-200mm wafers)
• Include bubble-free certification; defects common cause for rejections at entry
• Reference SEMI standards (F14) in documentation for industry credibility