1. The properties of ceramic rod:
1. Wear resistance, corrosion resistance, high temperature resistance, anti-beating;
2. The product is non-toxic, tasteless, and can be used without cleaning;
3. The ceramic rod with super hardness prevents it from breaking when used in industry.
It can also withstand high temperature during mixing production and is easy to use.
2. The application areas of ceramic rod：
Widely used in high-end fields such as instrumentation, medical equipment, textile power, mechanical hardware, automotive and military industry, aerospace, etc.
3. Typical properties for common materials of Alumina Ceramic:
|
ITEM |
Unit |
Al203 |
||||||
|
AS970 |
HA-96-2 |
HBS |
HRA |
HA-996 |
||||
|
Material |
- |
- |
96.5% |
96% |
96.5% |
96% |
99.6% |
|
|
Color |
- |
- |
White |
White |
White |
White |
White |
|
|
Density |
- |
g/㎤ |
3.74 |
3.75 |
3.75 |
3.60 |
3.90 |
|
|
Surface Roughness(Ra) |
- |
µm |
0.4 |
0.4 |
0.3 |
0.3 |
0.1 |
|
|
Luminous Reflectance |
0.3-0.4mmt |
% |
70 |
70 |
70 |
85 |
75 |
|
|
0.8-1.0mmt |
80 |
80 |
80 |
95 |
85 |
|||
|
Physical Property |
Breaking Strength |
Three-point bending |
MPa |
450 |
400 |
500 |
370 |
470 |
|
Modulus of Elasticity |
- |
GPa |
330 |
330 |
330 |
- |
330 |
|
|
Vickers Hardness |
- |
GPa |
14 |
14 |
14 |
- |
16 |
|
|
Fracture Toughness |
IF |
MPa･m1/2 |
3.0 |
3.0 |
- |
- |
- |
|
|
Thermal Property |
Thermal Expansivity |
40-400°C |
10-6/K |
6.7 |
6.7 |
6.7 |
6.7 |
6.8 |
|
40-800°C |
7.8 |
7.8 |
7.8 |
7.8 |
7.9 |
|||
|
Thermal Conductivity |
25°C |
W/(m･K) |
24 |
24 |
24 |
20 |
29 |
|
|
300°C |
12 |
12 |
12 |
- |
13 |
|||
|
Specific Heat |
25°C |
J/(㎏･K) |
750 |
750 |
750 |
750 |
780 |
|
|
Electric Property |
Dielectric Constant |
1MHz |
- |
9.8 |
9.8 |
9.8 |
- |
9.9 |
|
Dielectric Loss |
1MHz |
10-3 |
0.2 |
0.2 |
0.2 |
- |
0.05 |
|
|
Volume Resistance |
25°C |
Ω･㎝ |
>1014 |
>1014 |
>1014 |
>1014 |
>1014 |
|
|
Breakdown Voltage |
DC |
㎸/㎜ |
>15 |
>15 |
>15 |
>15 |
>15 |
|
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