Wear Resistant Alumina Ceramics

Density3.98
Thermal Shock Resisitance250
Rockwell hardnessHRA85-90
Supply TypeManufacturer
Preferred Buyer Location All over the world

Product Details

Compressive Strength2300Mpa
Thermal Shock Resisitance250
Flextural Strength358 Mpa
Thermal Conductivity24.8
Working Temperature1650
Water Absorption0
Materials99% Alumina
Rockwell hardnessHRA85-90
Density3.98
Vickers Hardness11.5Gpa

Specification
99 % Alumina Ceramics:
· High Bearing
· Producing Method: Hot pressing Dry pressing
· Customized Size
· ISO Certificate Factory
Details Description
Alumina ceramic feartures:
· Good mechanical strength
· Excellent electrical insulation
· High-frequency loss
· Good thermal conductivity
· Heat,Wear and corrosion resistance
· Resistance to high temperatures
Properties
Performance index
Test Condition
Measuring unit
Alumina 99%
Al2O3
%
99
Bulk Density
gcm3
3.96
Water absorption
%
0
Compressive strength
MPa
350
Maximum Use Temperature
1650°C
ROHS Hardness
≥89
Flexural strength
20° C
MPa (psi x 103)
2600(377)
Coefficient of thermal expansion
25-1000° C
1X 10-6°C
8.2
Coefficient of thermal conductivity
20° C
Wm °K
30.4
Thermal Shock Resistance
Tc
°C
200
Dielectricity constant
1MHz.25°C
9.7
Dielectric strength
ac-kVmm (ac Vmil)
8.7 (220)
Volume Resistivity
100