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Product #: HF-121

Product Description

Hafnium is a lustrous, silvery gray transition metal. It can be used in the production of filaments and electrodes as well as integrated circuits. When alloyed with niobium, titanium or tungsten, they produce what is know as superalloys. It is corrosioin resistant, and has the same physical properties as zirconium except for density. Zirconium has approximately one-half the density of hafnium.

Product Cost

Quantities May be Limited
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Product Notes

UN 2545, Hafnium Powder, Dry, Class 4.2, PG II

ERG No. 135

Cannot ship outside the Continental United States

Hazmat Disclaimer Required, End-Use Statement Required

500 gram minimum order

Standard packaging: 500 grams, 1 kg bottles


Formula 72 Hf 178.49
Purity 99.999
Particle Size 1/2" – 2"
ECCN 1C231
Schedule B 8112.92.9000
CAS CAS-7440-58-6
Melting Point 2222°C / 4031.6°F
Boiling Point 5400°C / 9752°F
Density 13.09
Coef. of Expansion @ 20°C 5.9 um/m*K
Crystal Structure Hexagonal
Electric Resistivity 331 nO·m
Composition Hf


Crystal Bar Cutoffs


Microprocessors, Nuclear Reactors, Alloys,

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