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Hafnium (Hf) Metal

Hafnium (Hf) Metal is a ductile silvery metal that is corrosion resistant. Hafnium has a very high melting point. Hafnium is chemically resemblant to zirconium, found in zirconium minerals, and hafnium’s properties are highly affected by the extent of zirconium impurity. Hafnium is a good absorber of neutrons.

99.7% minimum. Higher purities are available.
Typical Applications

Hafnium (Hf) is used to make nuclear control rods. It also is used in plasma welding torches, as a getter for nitrogen and oxygen, and in gas-filled and incandescent lamps.

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Hafnium (Hf) Metal TSCA (SARA Title III) Status: Yes
For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
Hafnium (Hf) Metal CAS Number: 7440-58-6
Hafnium (Hf) Metal UN Number: 2545
Visit this external link for the CDC Hafnium Safety Review

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