Standard: | Standard |
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Coating: | Uncoated |
Material: | Ceramics |
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Project |
Test the condition |
Unit |
Talc porcelain |
|
Backbone |
|
|
MgO.SiO2 |
|
Physical property
|
Density of volume |
Normal atmospheric temperature |
g/cm3 |
2.8 |
Airtight |
Normal atmospheric temperature |
. |
- |
|
Absorbing water rate |
Normal atmospheric temperature |
% |
0 |
|
Temperature that frit |
|
°C |
1350 |
|
Mechanical performance
|
Rockwell hardness |
Normal atmospheric temperature |
HRA |
76 |
Resist the intensity of turning back |
Normal atmospheric temperature |
Mpa |
150 |
|
Compression strength |
Normal atmospheric temperature |
Mpa |
900 |
|
Hot performance
|
Use temperature at most |
|
°C |
1200 |
Heat resistant shaking |
20O°C-1100O°C |
10Num |
Pass |
|
Hot coefficient of expansion |
20O°C-80O°C |
×10-6mm/°C |
5.0-6.2 |
|
Heat-conduction rate |
25°C |
W/m.k |
2.9 |
|
|
300°C |
W/m.k |
2 |
|
Dielectric constant
|
The medium lossing |
1MHz2O°C |
×10-4 |
≤8.0 |
The angle tangent is worth |
1MHz8O°C |
×10-4 |
- |
|
Dielectric strength |
Normal atmospheric temperature |
KV/mm |
20 |
|
Dielectric constant |
1MHz2O°C |
|
≤7.5 |
|
Resistivity of volume
|
2O°C |
Ω.cm |
>1013 |
|
10O°C |
Ω.cm |
1010-1011 |
||
30O°C |
Ω.cm |
5×108 |