alumina ceramic
Yixing Feifan Ceramics Co., Ltd. [China] 
Minimum Order: 0
Quality/Safety Certification: 0.00
1.Material: 95% -99.7%Al2O3
2.Tecnical: dry pressing/isostatic pressing/hotpressure casting
3.Colour:white
1.Material: 95% -99%Al2O3
2.Tecnical: dry pressing/isostatic pressing/hotpressure casting
3.Colour:white /ivory
| physical analysis sheet for 95%Al2O3 | ||||
| Density | g/cm3 | 3.6 | ||
| Substance Characteristic | Water Absorption | O | ||
| Sinter Temperature | 1710 | |||
| Physical Characteristic | Hardness | HV | ≥12 | |
| Bending Strength | Mpa | ≥310 | ||
| compressive strength | Kgf/cm2 | 25000 | ||
| Elastic Modulus | GPa | 300 | ||
| fracture toughness | Map.m3/2 | 3 to 4 | ||
| Max Using Temperature | 1450 | |||
| Thermal Characteristic | Coefficient of Thermal Expansion | 1X 10-6/°C | 8 | |
| heat-resistant Temperature | T() | 220 | ||
| Thermal Conductivity | W/m.k(25-300) | 24 | ||
| 20 | >1012 | |||
| Volume Resistance | 100 | >.cm | 1012-1013 | |
| Electric Characteristic | 300 | >1010 | ||
| Dielectric Strength | KV/mm | 18 | ||
| Dielectric Constant | 100MHz(E) | 9.5 | ||
| Ceramic Properties Standard | |||
| Properties* | Units | 99% Al203 | |
| Density | gm/cc | 3.80 | |
| Crystal Size | Average | MICRONS | 6 |
| Water Absorption | % | 0 | |
| Gas Permeability | 0 | ||
| Color | IVORY | ||
| Flexural Strength (MOR) | 20° C | MPa (psi x 103) | 379 (55) |
| Elastic Modulus | 20° C | GPa (psi x 106) | 370 (54) |
| Poisson's Ratio | 20° C | 0.22 | |
| Compressive Strength | 20° C | MPa (psi x 103) | 2600 (377) |
| Hardness | GPa (kg/mm2) | 14.1 (1440) | |
| R45N | 83 | ||
| Tensile Strength | 25° C | MPa (psi x 103) | 262 (38) |
| Fracture Toughness | K(I c) | Mpa m1/2 | 4 - 5 |
| Thermal Conductivity | 20° C | W/m °K | 30.0 |
| Coefficient of Thermal Expansion | 25-1000° C | 1X 10-6/°C | 8.2 |
| Specific Heat | 100° C | J/kg*K | 880 |
| Thermal Shock Resistance | Tc | °C | 200 |
| Maximum Use Temperature | °C | 1750 | |
| Dielectric Strength | ac-kV/mm (ac V/mil) | 8.7 (220) | |
| Dielectric Constant | 1 MHz | 25° C | 9.7 |
| Volume Resistivity | 25° C | ohm-cm | > 1014 |
| 500° C | ohm-cm | 2 x 1010 | |
| 1000° C | ohm-cm | 2 x 106 | |
| Impingement | 0.47 | ||
