Porous Tantalum Ingots from China
Tantalum ingots from scrap melting with internal porosity preventing capacitor foil rolling. HTS 9817.00.90.80 covers defective unwrought tantalum requiring remelting remanufacture.
Duty Rate — China → United States
12.5%
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
Import Tips
• X-ray density mapping to document porosity distribution,Niobium content verification for tantalum grade specification,Controlled humidity packaging to prevent oxidation