Alumina ceramic components
Alumina ceramic (Aluminum Oxide or Al2O3) is an excellent electrical insulator and one of the most widely used advanced ceramic materials. Additionally, it is extremely resistant to wear and corrosion. Alumina components are used in a wide range of applications such as electronics, pump components and automotive sensors.
Performance advantages
- High Precision Al2o3 Alumina Ceramic Sucker Vacuum Chuck Insulator Plates for Semiconductor
- high hardness, high strength, wear resistance, corrosion resistance, high temperature resistance of 1600 degrees, good heat dissipation, good insulation performance, high cost performance
Industry applications
- machinery, electronics, chemicals, petroleum
99% Alumina Ceramic Properties
Mechanical Properties
- MONS’ Hardness:Grade 9
- Rockwell Hardness:92HRA
- Vickers Hardness (Hv50):15.7（1600）Gpa(Kg/mm²)
- Flexural Strength(20°C):330Mpa
- Compressive Strength(20°C):2000Mpa
- Fracture Toughness(20°C):4MPam1/2
- Modulus of Elasticity:350-400Gpa
Thermal Properties
- Thermal Conductivity(20°C-400°C):27.5W（m.K）
- Thermal Expansion Coefficient:7.6 10-6/°C
- Thermal Shock Resistance:200△T°C
- Maximum Use Temperature:1650°C
Electronic Properties
- Dielectric Strength:>10 KV/mm
- Dielectric Constant:9.1 Er
- Dielectric Loss Angle(1MHz):0.0002-0.0003
- Volume Resistivity(20°C）:＞1014 Ω.cm
