| Customization: | Available |
|---|---|
| Application: | Ceramic Decorations, Refractory, Structure Ceramic, Industrial Ceramic |
| Material: | Alumina Ceramic |
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Content |
Unit |
AL2O3 |
ZrO2 |
SiC |
Si3N4 |
||
|
Property
|
|
|
95%AL2O3
|
99%AL2O3
|
ZrO2
|
ZrO2
|
ZrO2
|
|
Mechanical Characteristics |
Color
|
|
black
|
faint yellow
|
Ivory
|
black
|
grey/black
|
|
Density
|
g/cm3
|
3.7
|
3.85
|
6.02
|
3.2
|
3.2
|
|
|
Bending Strength
|
Mpa
|
300
|
310
|
800
|
500
|
750
|
|
|
Compressive Strength
|
Mpa
|
2300
|
2400
|
3000
|
2200
|
3800
|
|
|
Elastic Modulus
|
|
3-4
|
3-4
|
8
|
-----
|
7
|
|
|
Weber Coefficient
|
m
|
12
|
12
|
15
|
-----
|
15
|
|
|
Hardness
|
HV0.5
|
1400
|
1600
|
1200
|
-----
|
1700
|
|
|
Thermal Characteristics |
Coefficient of line Thermal Expansion
|
10-5K-1
|
7-8
|
7-8
|
10
|
4.2
|
2
|
|
Thermal Conductivity
|
W/mK
|
20
|
29
|
3
|
60
|
20
|
|
|
Thermal Shock Resistance
|
TºC
|
250
|
200
|
300
|
400
|
750
|
|
|
Max Working Temperature
|
ºC
|
1500
|
1600
|
1000
|
-----
|
1300
|
|
|
Electrical Characteristics
|
Volume Resistance at 20ºC
|
Ωcm
|
>10^14
|
>10^14
|
>10^14
|
10^3-10^8
|
>10^14
|
|
Dielectric Constant
|
εr
|
9
|
10
|
33
|
-----
|
-----
|
|
|
Dielectric Strength
|
V/m
|
15*10^6
|
15*10^6
|
11*10^6
|
-----
|
10*10^6
|
|
|
Chemical Characterstics
|
(60%)90ºC
|
WT loss mg/cm3/day
|
0.1
|
0.1
|
0
|
0.04
|
1
|
|
Sulphuric Acid (95%)95ºC
|
0.3
|
0.34
|
0.04
|
0.01
|
0
|
||
|
Caustic Soda (30%)80ºC
|
0.9
|
0.95
|
0.08
|
0
|
0.2
|
||
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