Resistividad y conductividad eléctrica de
materiales comunes
Material
Resistividad eléctrica
(ρ/Ω·m) a 20°C
(293K)
Conductividad eléctrica
(σ.m/S) a 20°C (293K)
Tipo de
Material
Acero carbono
(1010)
1,43.10-7
6,99.106
Conductor
Acero eléctrico de
grano orientado
4,60.10-7
2,17.106
Conductor
Acero inoxidable
6,90.10-7
1,45.106
Conductor
Agua de mar
2,00.10-1
5,00
Semiconductor
Agua desionizada
1,80.105
5,56.10-6
Semiconductor
Agua potable
Entre 20 y 2.000
Entre 5,00.10-4 y 5,00.10-2
Semiconductor
Aire
Entre 1,30×1016 y
3,30×1016
Entre 3,03.10-17 y
7,69.10-17
Aislante
Aluminio
2,65.10-8
3,77.107
Conductor
Antimonio
3,90.10-7
2,56.106
Conductor
Azufre
1015
10-15
Aislante
Bario
3,32.10-7
3,01.106
Conductor
Berilio
3,56.10-8
2,81.107
Conductor
Bismuto
1,07.10-6
9,35.105
Conductor
Cadmio
6,80.10-8
1,47.107
Conductor
Calcio
3,36.10-8
2,98.107
Conductor
Carbono (amorfo)
Entre 5,00.10-4 y
8,00.10-4
Entre 1,25.103 y 2,00.103
Conductor
Carbono
(diamante)
1012
10-12
Aislante
Carbono (grafito)
// plano basal
Entre 2,50.10-6 y
5,00.10-6
Entre 2,00.105 y 4,00.105
Conductor
Caucho duro
1013
10-13
Aislante
Cera parafina
1017
10-17
Aislante
Cerio (β,
hexagonal) (290–
300 K)
8,28.10-7
1,21.106
Conductor
Cerio (γ, cúbica)
(298 K)
7,44.10-7
1,34.106
Conductor
Cesio
2,05.10-7
4,88.106
Conductor
Circonio
4,21.10-7
2,38.106
Conductor
Cobalto
5,60.10-8
1,79.107
Conductor
Cobre
1,68.10-8
5,96.107
Conductor
Cobre recocido
1,72.10-8
5,81.107
Conductor
Constantán
4,90.10-7
2,04.106
Conductor
Cromo
1,25.10-7
8,00.106
Conductor
Cuarzo fundido
7,50×1017
1,33.10-18
Aislante
Disprosio (290–
300 K)
9,26.10-7
1,08.106
Conductor
Erbio (290–300
K)
8,60.10-7
1,16.106
Conductor
Escandio (290–
300 K)
5,62.10-7
1,78.106
Conductor
Estaño
1,15.10-7
8,70.106
Conductor
Estroncio
1,32.10-7
7,58.106
Conductor
Europio (290–300
K)
9,00.10-7
1,11.106
Conductor
GaAs
Entre 5,00.10-7 y 10-2
Entre 102 y 2,00.106
Conductor
Gadolinio (290–
300 K)
1,31.10-6
7,63.105
Conductor
Galio
1,36.10-7
7,35.106
Conductor
Germanio
4,60.10-1
2,17
Semiconductor
Hafnio
3,31.10-7
3,02.106
Conductor
Hierro
9,61.10-8
1,04.107
Conductor
Holmio (290–300
K)
8,14.10-7
1,23.106
Conductor
Indio
8,00.10-8
1,25.107
Conductor
Iridio
4,70.10-8
2,13.107
Conductor
Iterbio (290–300
K)
2,50.10-7
4,00.106
Conductor
Itrio (290–300 K)
5,96.10-7
1,68.106
Conductor
Lantano (290–300
K)
6,15.10-7
1,63.106
Conductor
Leña (secado al
horno)
Entre 1014 y 1016
Entre 10-16 y 10-14
Aislante
Litio
9,28.10-8
1,08.107
Conductor
Lutecio (290–300
K)
5,82.10-7
1,72.106
Conductor
Madera (húmeda)
Entre 103 y 104
Entre 10-4 y 10-3
Semiconductor
Magnesio
4,39.10-8
2,28.107
Conductor
Manganeso
1,44.10-6
6,94.105
Conductor
Manganina
4,82.10-7
2,07.106
Conductor
Mercurio
9,80.10-7
1,02.106
Conductor
Molibdeno
5,34.10-8
1,87.107
Conductor
Neodimio (290–
300 K)
6,43.10-7
1,56.106
Conductor
Nicromo
1,10.10-6
9,09.105
Conductor
Niobio
1,52.10-7
6,58.106
Conductor
Níquel
6,93.10-8
1,44.107
Conductor
Oro
2,21.10-8
4,52.107
Conductor
Osmio
8,10.10-8
1,23.107
Conductor
Paladio
1,05.10-7
9,49.106
Conductor
PET
1021
10-21
Aislante
Plata
1,59.10-8
6,30.107
Conductor
Platino
1,05.10-7
9,52.106
Conductor
Plomo
2,08.10-7
4,81.106
Conductor
Polonio
4,00.10-7
2,50.106
Conductor
Potasio
7,20.10-8
1,39.107
Conductor
Praseodimio (290–
300 K)
7,00.10-7
1,43.106
Conductor
Prometeo (290–
300 K)
7,50.10-7
1,33.106
Conductor
Protactinio
1,77.10-7
5,65.106
Conductor
Renio
1,72.10-7
5,81.106
Conductor
Rodio
4,30.10-8
2,33.107
Conductor
Rubidio
1,28.10-7
7,81.106
Conductor
Rutenio
7,10.10-8
1,41.107
Conductor
Samario (290–300
K)
9,40.10-7
1,06.106
Conductor
Silicio
6,40.102
1,56.10-3
Semiconductor
Sodio
4,77.10-8
2,10.107
Conductor
Talio
1,50.10-7
6,67.106
Conductor
Tantalio
1,31.10-7
7,63.106
Conductor
Teflón
Entre 1023 y 1025
Entre 10-25 y 10-23
Aislante
Terbio (290–300
K)
1,15.10-6
8,70.105
Conductor
Titanio
3,90.10-7
2,56.106
Conductor
Torio
1,47.10-7
6,80.106
Conductor
Tulio (290–300 K)
6,76.10-7
1,48.106
Conductor
Tungsteno
5,28.10-8
1,89.107
Conductor
Uranio
2,80.10-7
3,57.106
Conductor
Vanadio
1,97.10-7
5,08.106
Conductor
Vidrio
Entre 1011 y 1015
Entre 10-15 y 10-11
Aislante
Zinc
5,90.10-8
1,69.107
Conductor