Dielectric Constant of Different Materials
The dielectric constant (c) of a material is defined as:
c = εs/ε0
Where εs is the static permittivity of the material sample, and εo is the
vacuum permittivity. The following table provides dielectric constants of
some of the common materials.
Material |
Dielectric Constant
|
Vacuum |
1 |
Teflon |
2.1 |
PE |
2.25 |
PS |
2.40 |
Concrete |
4.50 |
Glass |
4.70 |
Graphite |
10.0 |
Titanium
Dioxide |
86 |
Barium
Titanate |
90 |
|
