← Zirconium Oxides
Nuclear Grade Zirconia
Nuclear grade zirconia is a zirconium oxide powder with a specified low hafnium limit. This page brings together its appearance, particle size, moisture, purity and trace-element limits for technical review before downstream processing.
SAMPLE REQUESTClick to discuss your requirementsProduct Parameters / Technical Specifications
Specification
Appearance: White powder
Particle size: 99.7% < 90 μm
Moisture & Loss on Ignition (LOI)
Moisture: ≤ 0.5%
Loss on Ignition (LOI): ≤ 0.7%
Purity
ZrO₂ ≥ 99%, HfO₂/(ZrO₂+HfO₂) ≤ 0.0070%
Trace Element Analysis
| Cr | Fe | Si | Pb | Co | U | W | Ni |
|---|---|---|---|---|---|---|---|
| ≤ 10 ppm | ≤ 100 ppm | ≤ 50 ppm | ≤ 2 ppm | ≤ 2 ppm | ≤ 2 ppm | ≤ 2 ppm | ≤ 2 ppm |
| Mo | Ca | Cu | Be | Sn | P | B | Ti |
| ≤ 2 ppm | ≤ 20 ppm | ≤ 2 ppm | ≤ 2 ppm | ≤ 2 ppm | ≤ 20 ppm | ≤ 0.5 ppm | ≤ 10 ppm |
| Cd | Mn | Na | Mg | Al | V | ||
| ≤ 0.5 ppm | ≤ 2 ppm | ≤ 700 ppm | ≤ 5 ppm | ≤ 10 ppm | ≤ 2 ppm |
Material Selection
- Review the hafnium-to-total-oxide ratio separately from the zirconia purity value.
- Confirm the required qualification, lot documentation and downstream processing route; the grade name alone does not establish approval for a nuclear component.