La rigidez dieléctrica especifica la tensión máxima que puede ser aplicada entre dos electrodos (normalmente indicada en función de electrodos esféricos) sin que ocurra el centelleo, cuando el material deja de ser aislante. En otras palabras, la rigidez mide la calidad de un material como aislante. Para el aire, por ejemplo, el valor indicado resulta en que cada 1 cm tiene una tensión de 10 000 voltios. Así, si entre dos electrodos que se separan gradualmente, el faiscamento ocurre en distancias hasta 2 cm, por ejemplo, podemos decir que la tensión aplicada es del orden de 20 000 V. Véase que en ese caso, el valor se refiere al aire seco .

 

Material Rigidez Dieléctrica (V/m)
Aire 3 x 106
Baquelita 24 x 106
Goma de Neopreno 12 x 106
Nylon 14 x 106
Papel 16 x 106
Polistireno 24 x 106
Vidrio Pyrex 14 x 106
Cuarzo 8 x 106
Aceite de Silicona 15 x 106
Titanato de Estroncio 8 x 106
Teflon 60 x 106

 

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  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content
  • warningassets - No asset found for com_content.article.6946, falling back to com_content