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Certification:ROHS、ISO9001
High Water Absorption Honeycomb Ceramic Part / Tube For Arc resistance Insulators
Description:
The main chemical ingredient of cordierite is 2MgO·2Al2O3·5SiO2,main material is steatite,clay,alumina,feldspar, etc. Manufactured by normal ceramic technical, can be used for loop framework, insulators of arc-resistance,element of composite materials,burnable nozzle of electrical insulators, and etc.
It has good water absorption.
Applications:
Our products are mainly used in Mechanical,electronics,chemical,textile,aeronautic and other fields.
Specifications:
Cordierite material parameters:
|
Item |
Test Condition |
Unit&Symbol |
Cordierite ceramics |
|
The main chemical ingredient |
2MgO 2Al2O3 5SiO2 |
||
|
Bulk Density |
gm/cc |
2.5 |
|
|
Maximum Use Temperature |
1000℃ |
||
|
Water absorption |
% |
0 |
|
|
Hardness |
HV |
800 |
|
|
Bending Strength |
20° C |
Kgf/cm2 |
900 |
|
Compressive Strength |
20° C |
Kgf/cm2 |
3500 |
|
Fracture Toughness |
K(I c) |
Map.m3/2 |
- |
|
Coefficient of thermal expansion |
1X 10-6/°C |
≤2.0 |
|
|
Coefficient of thermal conductivity |
25° C-30° C |
W/m °K |
1.3- |
|
Thermal Shock Resistance |
∆ Tc |
°C |
250 |
|
Dielectric constant |
1MHz.25℃ |
6 |
|
|
Dielectric strength |
ac-kV/mm (ac V/mil) |
10 |
|
|
Volume Resistivity |
20℃ |
ohm-cm |
> 1012 |
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