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Standard Test Methods for Vitrified Ceramic Materials for Electrical Applications
1.1 These test methods outline procedures for testing samples of vitrified ceramic materials that are to be used as electrical insulation. Where specified limits are mentioned herein, they shall not be interpreted as specification limits for completed insulators.
1.2 These test methods are intended to apply to unglazed specimens, but they may be equally suited for testing glazed specimens. The report section shall indicate whether glazed or unglazed specimens were tested.
1.3 The test methods appear as follows:
|
Section |
Test Method |
Related |
|
6 |
Compressive Strength |
C773 |
|
13 |
Dielectric Strength |
D618, D149 |
|
8 |
Elastic Properties |
C623 |
|
15 |
Electrical Resistivity |
D618, D257, D1829 |
|
7 |
Flexural Strength |
C674, F417 |
|
9 |
Hardness |
C730, E18 |
|
5 |
Porosity |
C373 |
|
14 |
Relative Permittivity and Dissipation |
D150, D2149, D2520 |
|
4 |
Specific Gravity |
3.1 For any given ceramic composition, one or more of the properties covered herein may be of more importance for a given insulating application than the other properties. Thus, it may be appropriate that selected properties be specified for testing these ceramic materials.
3.2 Pertinent statements of the significance of individual properties may be found in the sections pertaining to such properties.
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