Yixing City Kam Tai Refractories Co.,ltd
Yixing City Kam Tai Refractories Co.,ltd Professional Manufacturer of Refractory Kiln furniture and Technical Ceramic
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High Purity Insulating Thin 99% Alumina Ceramic Disc High Temperature Resistance
1.Material: Alumina ceramic
High quality alumina ceramic — — An environmental &insulated &secure material, fired in more than 1600 degree temperature. Does not contain any toxic and harmful substances.
| Items | Unit | 95%Al2O3 | 99.5%Al2O3 |
| Density | g/cm3 | 3.7 | 3.9 |
| Flexural Strength | MPa | 313 | 340 |
| Compressive Strength | MPa | 3400 | 3600 |
| Modulus of Elasticity | GPa | 350 | 380 |
| Impact Resistance | MPa·m1/2 | 4 | 5.1 |
| Weibull Modulus | m | 10 | 10 |
| Vickers Hardness | HV0.5 | 1800 | 1900 |
| Thermal Conductivity | W/mk | 24 | 27 |
| Highest Application Temperature | °C | 1600 | 1750 |
| Volume Resistivity at 20°C | Ω.cm20 | >1014 | >1014 |
| Dielertric strength | KV/mm | 20 | 25 |
| Thermal expansion | X10-6/K | 5.0-8.3 | 5.4-8.3 |
2. Advantages:
1). Excellent insulation, security, long working life.
2). High temperature resistance
3). Resistance to electric breakdown
4). Stand wear and tear
5). High strength
6). Corrosion resistance
7). Good compactness
8). HIgh hardness
