Fused Quartz Diffusion Reactor Tube from China
A high-purity fused quartz tube designed for insertion into diffusion furnaces used in semiconductor wafer production. It withstands extreme temperatures and chemical exposure during doping processes. Classified under HTS 7017.10.30.00 as laboratory glassware of fused quartz specifically for semiconductor manufacturing furnaces.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Verify material purity certification to confirm fused quartz composition meets HTS requirements, avoiding reclassification as general glassware
• Include technical specifications and end-use documentation proving semiconductor furnace application during customs entry