Feature:
1). High hardness and High density
2). Low thermal conductivity
3). Chemical inertness
4). Good Wear resistance
5). High fracture toughness
6). Good insulation performance
7). High temperature resistance
8). A variety of specifications available.
9). Satisfy various technical request
10). Lower medium spoilage
11). Good insulation performance and high temperature resistance
12). Stiffness texture
13). Used in all electric products and electric heating products
14). OEM, ODM and OBM are welcomed
Properties | Units | Precisied machining al2o3 alumina ceramic insulator part | ||||||
Porous | Mullite | Al2O3 92% | Al2O3
96% |
Al2O3 99% | Al2O3 99.5% | |||
Al2O3 | ||||||||
Mechanical | Density | g/cm3 | 2.8 | 3.6 | 3.7 | 3.9 | 3.9 | |
Color | —— | —— | Tan | White | White | Ivory | Ivory | |
Water Absorption | % | 0 | 0 | 0 | 0 | 0 | ||
Vickers Hardness | Gpa | —— | 7.4 | 11 | 11.5 | 13 | 14 | |
Flexural Strength (20°C) | Mpa | 50~100 | 170 | 345 | 358 | 380 | 380 | |
Compressive Strength (20°C) | Mpa | 20~100 | 550 | 2200 | 2300 | 3000 | 3000 | |
Thermal | Thermal Conductivity (20°C) | W/m.K | 3.1 | 3.5 | 16.7 | 24.8 | 25~35 | 25~35 |
Thermal Shock Resistance (20°C) | ΔT(C) | —— | 300 | 250 | 250 | 200 | 200 | |
Maximum Use Temperature | °C | 1900 | 1700 | 1500 | 1600 | 1700 | 1700 | |
Electrical | Volume Resistivity (25°C) | Ω.cm | —— | >1014 | >1014 | >1014 | >1014 | >1014 |