Pure Hafnium Sponge from United States
Porous hafnium sponge produced by reduction of hafnium tetrachloride, an intermediate unwrought form before further processing. It is classified as unwrought hafnium under tariff item 8112.31.00, which includes unwrought forms such as sponge.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the hafnium content is at least 99% by weight to classify as unalloyed hafnium; provide a certificate of analysis
• Ensure the sponge is not contaminated with other metals
• Check if the sponge is subject to any nuclear non-proliferation controls if destined for reactor use