| Customization: | Available |
|---|---|
| Cell Shape: | Round |
| Material: | Steel |
|
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| Comparison Table of Ceramic Characteristics | |||||||
| 99 Alumina | 95 Alumina | Steatite | Mullite | Cordierite | ZrO2 | ||
| Main Components | 99% A1203 | 95% A1203 | MgO Si02 | A1203 Si03 | 3Al2O3 2SiO2 | ZrO2 | |
| Density | g/cm3 | 3.9 | 3.6 | 2.8 | 3 | 2.5 | 6 |
| Water Absorption Rate | % | 0 | 0 | 0 | 3 | 3 | 0 |
| Sintering Temperature | ºC | 1700 | 1680 | 1350 | 1300 | 1350 | 1600 |
| Hardness | HV | 1700 | 1500 | 800 | 1000 | 800 | 1300 |
| Flexural Strength | Kgf/cm2 | 3500 | 300 | 900 | 1100 | 900 | 11000 |
| Compressive Strength | Kgf/cm2 | 30000 | 25000 | 400 | 6000 | 3500 | 25000 |
| Fracture Toughness | MPa.m1/2 | 4 | 3-4 | - | - | - | - |
| Maximum Operating Temperature | ºC | 1500 | 1450 | 1100 | 1000 | 1000 | - |
| Thermal Expansion Coefficient 0-1000ºC | /ºC | 8*10-6 | 8*10-6 | 6*10-6 | 6*10-6 | 4*10-6 | 9.5*10-6 |
| Thermal Shock Resistance | T(ºC) | 220 | 220 | 200 | 300 | 250 | 360 |
| Thermal Conductivity | W/(m·K) | 31.5 | 25 | 2.5 | 4.2 | 1.3 | 3 |
| 15.9 | 14 | - | - | - | - | ||
| Volume Resistivity | Ω/cm2 | - | - | - | - | - | - |
| 20ºC | >1012 | >1012 | >1012 | >1012 | >1012 | >1012 | |
| 100ºC | 1012-1013 | 1012-1013 | 1010-1011 | 1010-1012 | 107-108 | - | |
| 300ºC | >1012 | >1010 | 5*108 | - | 3*105 | 5*109 | |
| Insulation Failure Strength | KV/mm | 18 | 18 | 10 | 10 | 10 | - |
| Induced Constant | (E) | 10 | 9.5 | 5.8 | 6 | 6 | - |
| (100Mhz) | |||||||
| Induced Tangent | (tg6) | 0.4*10-3 | 0.4*10-3 | 0.4*10-3 | 0.4*10-3 | 0.4*10-3 | - |
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