Tungsten Foil for Thin-Film Deposition from China
Ultra-thin tungsten alloy foil (<0.2mm) for vapor deposition in electronics. HTS 8101.99.10.00 covers foil not simply sintered, with alloy per notes. Enables microcircuit fabrication.
Duty Rate — China → United States
44%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.91.1125%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (j) of U.S. note 31 to this subchapter
Import Tips
• Thickness gauge certification mandatory to classify as foil vs sheet
• Clean room packaging noted to prevent contamination claims