ADS high-density alumina ceramics is a sintered material with a low moisture absorption rate of 0.01% or less. It has many applications in various industries as various structure parts due to its excellent electric insulation, high strength, and abrasion-resistance, etc. Additionally, thanks to its high resistance to acids, alkali, and halogen plasma, it has applications as parts and jigs in the semiconductor and FPD industries.
ADS-11 | ADS-12 | ||
---|---|---|---|
Alumina content | % | 99.5 | 99.5 |
Bulk density | g/cm3 | 3.90 | 3.92 |
Absorption density | % | <0.01 | <0.01 |
Average crystal diameter | ![]() |
6 | 20 |
Bending strength | MPa | 350 | s330 |
Young's modulus | GPa | 360 | 360 |
Vickers hardness | (HU.5kgf) Gpa | 16.0 | 16.0 |
Fracture toughness | Mpa·m1/2 | 4.5 | 4.2 |
Coefficient of thermal expansion | (20-900![]() |
7.8 | 7.8 |
Thermal conductivity | (20![]() |
30.0 | 30.0 |
Thermal Shock resistance | (![]() ![]() |
220 | 200 |
Max. service tenperature | ![]() |
1500 | 1600 |
Electrical conductivity | (20-100![]() ![]() |
>1016 | >1016 |
Dielectric constant | (20![]() |
9.9 | 9.9 |
tan ![]() |
(20![]() |
10.0 | 10.0 |