Durable Aluminum Oxide Ceramic , Alumina Ceramic Plate High Hardness Insulation
1.Description
Alumina oxide ceramic wear plate is made of alumina of different content of 95%, 97% and 99% through hot injection pressing or dry pressing. It has good electrical insulating, high strength, and good wear resistant, good thermal conductivity. It can be processed by finish machining and polishing. alumina oxide ceramic wear plate widely used in home appliances, medical devices , electrical insulation application and other wear protection, sealing and heat-sinks application.
2.Data Sheet
| Property | Units | |
| Al2O3 Content | % | 96 | 98 | 99.5 | 99.7 |
| Density | g / cm3 | 3.70 | 3.80 | 3.90 | 3.92 |
| Color | - | White | White | Ivory | Ivory |
| Compressive Strength @ 25 C | Mpa | 2229 | 2091 | 2512 | 2350 |
| Tensile Strength @ 25 C | MPa | 200 | 200 | 248 | 252 |
| Flexural Strength @ 25 C | MPa | 331 | 276 | 324 | 320 |
| Elastic Modulus @ 25 C | GPa | 290 | 331 | 366 | 380 |
| Hardness : Knoop Rockwell | (Gpa) Kg/mm2
R45N | (11.7) 1196
79 | (12.5) 1276
77 | (14) 1428
85 | (15) 1510 90 |
| Thermal Conductivity @ 25 C | W / m-Deg K | 20.8 | 28.1 | 30.7 | 31.6 |
| Coefficient of Thermal Expansion @ 25-1000 C | 1 X 10-6 /
Deg C | 7.9 | 8.5 | 8.1 | 8.0 |
| Specific Heat @ 25 C | cal / g / Deg C | .184 | .184 | .182 | .180 |
| Maximum Working Temp. | Deg C | 1650 | 1650 | 1700 | 1700 |
| VolumeResitivity @25C @700 C | ohm-cm
ohm-cm | 1 X 10-13
1 X 10-8 | 1X 10-13
2.2 X 10-9 | 1 X 10-13
6 x 10-7 | 1 X 10-13
6 x 10-7 |
Dielectric Strength
(@Thickness) 100Mils | ac volts
per mil | 350 |
340 | 335 | 330 |
Dielectric Constant 1Mhz
@25C | e' / eo | 8.6 | 9.4 | 9.7 | 10.0 |
Dissipation Factor 1 Mhz
@25C | Tan Delta | .0004 | .0003 | .0003 | .0002 |
3..Features
1.High hardness
2.Excellent wear resistance
3.Light weight
4.Corrosion resistance
5.Stability of heat temperature
6.Smooth surface
3.Application
Aluminum Oxide Ceramic Sheet / Alumina Wear Ceramic Plate is widely used for serious abrasive environments, such as chute liners, cyclone liners, conveyor skirt liners, processing piping liners, hopper or silo liners, screen equipment liners in the industries including ,but not limited to:
