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| Customization: | Available |
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| Feature: | Long Time Materials |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Performance for parts made in different materials | ||||||
| Item | Index | Unit | Steatite | Zirconia | 95 Al2O3 | 99 Al2O3 |
| Physical Characteristics | Density | g/cm3 | 2.7 | 5.9 | 3.6 | 3.85 |
| Water absorption | % | 0 | 0 | 0 | 0 | |
| Sintering temperature | ºC | 1300 | 1650 | 1670 | 1690 | |
| Mechanical Characteristics | Hardness | HV | 1300 | 1400 | 1600 | 1700 |
| Rupture strength | 4pt | >1100 | >11000 | >2900 | >3500 | |
| Compression strength | Kgf/cm2 | 18000 | 25000 | 25000 | 30000 | |
| Thermal Characteristics | Max. operation Temp. | ºC | 1100 | 1600 | 1400 | 1500 |
| Linear expansion coefficient | 10-6/ºC, 0-1000ºC | 6 | 10 | 7.8 | 8 | |
| Heat resistance impact | T (ºC) | 110 | 350 | 220 | 200 | |
| Thermal conductivity | W/m.k | 15 | 3 | 22 | 31 | |
| Electrical Characteristics | Valume resistivity | Ω.cm | >1012 | >1012 | >1012 | >1012 |
| Insulation Demage Strength | KT/m | 20 | 15 | 16 | 18 | |
| Dielectric constant | 1MHz ( E ) | 5.8 | 12.5 | 9.0-10 | 9.2-10.5 | |
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