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%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Confirm the hafnium content is at least 99% by weight to qualify as 'not alloyed' per Chapter 81 Supplementary Note 1(a)
• Provide a certificate of analysis from the manufacturer
• Ensure the sponge is free of impurities that could affect its classification