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| CAS No.: | 1314-23-4 |
|---|---|
| Formula: | Zro2 |
| EINECS: | 215-227-2 |
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| Product Name: | Zirconium dioxide |
| Synonyms: | Zirconium(IV) oxide, Puratronic (metals basis);Zirconium(IV) oxide, Spectrographic Grade, 99.96% min (metals basis);Zirconium(IV) oxide, 99% (metals basis excluding Hf);Zirconium(IV) oxide, 99.7% (metals basis excluding Hf), Hf <75ppm;Zirconium(IV) oxide, 99+% (metals basis excluding Hf), HfO2 2%;Zirconium(IV) oxide, 99.5% (metals basis excluding Hf), Hf <100ppm;Zirconium(IV) oxide, 20% in H2O, colloidal dispersion;Zirconium(IV) oxide, Puratronic(R), 99.978% (metals basis) |
| CAS: | 1314-23-4 |
| MF: | O2Zr |
| MW: | 123.22 |
| EINECS: | 215-227-2 |
| Melting point | 2700 °C(lit.) |
| Boiling point | 5000 °C(lit.) |
| density | 5.89 g/mL at 25 °C(lit.) |
| Fp | 5000°C |
| solubility | insoluble |
| form | powder |
| color | White |
| Specific Gravity | 5.89 |
| PH | 4-5 |
| Resistivity | 2.3 × 10*10 (ρ/μΩ.cm) |
| Water Solubility | insoluble |
| Crystal Structure | Monoclinic; Tetragonal; Cubic |
| Merck | 14,10180 |
| crystal system | Monoclinic |
| ZrO2+HfO2 % | ≥99.5 | ≥99.5 | ≥99.9 | ≥99.9 | ≥99.95 |
| SiO2 % | <0.02 | <0.015 | <0.015 | <0.01 | <0.01 |
| Fe2O3 % | <0.015 | <0.01 | <0.0007 | <0.0003 | <0.0005 |
| Na2O % | <0.005 | <0.01 | <0.007 | <0.0003 | <0.005 |
| TiO2 % | <0.005 | <0.01 | <0.005 | <0.0003 | <0.005 |
| Cl- % | <0.05 | <0.05 | <0.01 | <0.01 | <0.01 |
1. High purity ultrafine zirconia can be used as a stabilizer for incandescent lamps. It has far-infrared electrical properties, which save energy and improve the life of the lamp tube. It has been widely used.
2. In addition, zirconia has high refractive index and high temperature resistance, and can be used as enamel, refractory material, and electrical insulation material.
3. It can also be used as X-ray photography, grinding materials, optical glass, optical fibers, micro integrated circuit boards, high-power microscopes, and magnifying glass lenses.
4. It is also a material for producing ceramic tiles and sanitary ceramics, which can improve the toughness of ceramics and prevent ceramic cracking.
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