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