Zirconium Sponge Low-Hafnium Nuclear from China
Kroll process zirconium sponge chunks, hafnium <0.2%, vacuum-distilled for reactor purity. Unwrought porous form under HTS 8109.21.00.00 before pressing/compacting. Standard precursor for Zircaloy fuel cladding.
Duty Rate — China → United States
16.7%
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
• Sponge requires bulk density measurement (<2.5 g/cc) to confirm unwrought status
• Declare 'not pressed/compacted' explicitly to avoid 8109.29 powder classification