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After-sales Service: | Online After Sales |
Warranty: | 3 Years |
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Ceramic Disc for Cartridge Back to Back Ceramic Disc Chip Valve Tap
Performance For Industrial Ceramic |
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Item |
|
Unit |
95Al2O3 |
96 Al2O3 |
99 Al2O3 |
Physical Characteristics |
Heat resistance |
ºC |
1500 |
1550 |
1800 |
Bulk density |
g/cm3 |
3.6 |
3.6 |
3.9 |
|
Water absorption |
% |
0 |
0 |
0 |
|
Mechanical Characteristics |
Flexural strength |
Mpa |
320 |
340 |
360 |
Hardness vickers |
Gpa |
12.2 |
13.5 |
15.6 |
|
Elastic modulus |
Gpa |
280 |
320 |
370 |
|
Poisson's ratio |
|
0.22 |
0.23 |
0.23 |
|
Thermal Characteristics |
Linear expansion coefficient |
(20-500ºC) 10-6/ºC |
7.1 |
7.2 |
8 |
Thermal conductivity |
w/(m.k) |
16 |
24 |
32 |
|
Specific Heat |
*10-3J/(kg*K) |
0.78 |
0.78 |
0.9 |
|
Electrical Characteristics |
Dielectric constant (1MHZ) |
- |
9 |
9.4 |
9.9 |
Dielectric loss angle |
*10-4 |
15 |
5 |
1 |
|
Dielectric strength |
*106V/m |
12 |
15 |
15 |
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