← Zirconium & Hafnium Metals
Hafnium Sponge
Hafnium sponge is a porous metallic feedstock for subsequent refining, melting or alloy preparation. The grade table distinguishes zirconium content while listing the combined hafnium-plus-zirconium assay.
SAMPLE REQUESTClick to discuss your requirementsProduct Parameters / Technical Specifications
Specification
Appearance: Gray, metallic, sponge-like solid with porous structure.
Particle size: 3-25 mm
| Hf+Zr | I | II | III | IV |
|---|---|---|---|---|
| ≥ 99.5% | ≥ 99.5% | ≥ 99.5% | ≥ 99.5% | |
| Zr | < 0.2% | 0.2-0.5% | 0.5-1% | 1-3% |
Material Selection
- Choose the zirconium range separately from the combined Hafnium+Zirconium purity requirement.
- Check particle size and impurity limits against the receiving process before agreeing the material specification.