Material
ρ (Ω·m) at 20°C σ (S/m) at 20°C Temperature
coefficient (K-1)
Carbon
(graphene)
1.00×10-8 1.00×108 -0.0002
Silver 1.59×10-8 6.30×107 0.0038
Copper 1.68×10-8 5.96×107 0.003862
Annealed copper 1.72×10-8 5.80×107 0.00393
Gold 2.44×10-8 4.10×107 0.0034
Aluminium 2.82×10-8 3.50×107 0.0039
Calcium 3.36×10-8 2.98×107 0.0041
Tungsten 5.60×10-8 1.79×107 0.0045
Zinc 5.90×10-8 1.69×107 0.0037
Nickel 6.99×10-8 1.43×107 0.006
Lithium 9.28×10-8 1.08×107 0.006
Iron 1.00×10-7 1.00×107 0.005
Platinum 1.06×10-7 9.43×106 0.00392
Tin 1.09×10-7 9.17×106 0.0045
Carbon steel
(1010)
1.43×10-7 6.99×106
Lead 2.20×10-7 4.55×106 0.0039
Titanium 4.20×10-7 2.38×106 0.0038
Grain oriented
electrical steel
4.60×10-7 2.17×106
Manganin 4.82×10-7 2.07×106 0.000002
Constantan 4.90×10-7 2.04×106 0.000008
Stainless steel 6.90×10-7 1.45×106
Mercury 9.80×10-7 1.02×106 0.0009
Nichrome 1.10×10-6 6.7×105 0.0004
GaAs 1.00×10-3 to
1.00×108
1.00×10-8 to 103
Carbon
(amorphous)
5.00×10-4 to
8.00×10-4
1.25×103 to
2×103
−0.0005
Carbon
(graphite)
2.50×10-6 to
5.00×10-6
2.00×105 to
3.00×105
PEDOT:PSS 1.00×10-3 to
1.00×10-1
1×101 to 1×103
Germanium 4.60×10-1 2.17 −0.048
Sea water 2.00×10-1 4.80
Drinking water 2.00×101 to
2.00×103
5.00×10-4 to
5.00×10-2
Silicon 6.40×102 1.56×10-3 −0.075
Wood (damp) 1.00×103 to
1.00×104
10-4 to 10-3
Deionized water 1.80×105 5.50×10-6
Glass 1.00×1011 to
1.00×1015
10-15 to 10-11
Hard rubber 1.00×1013 10-14
Wood (oven dry) 1.00×1014 to
1.00×1016
10-16 to 10-14
Sulfur 1.00×1015 10-16
Air 1.30×1016 to
3.30×1016
3×10-15 to
8×10-15
Carbon
(diamond)
1.00×1012 ~10-13
Fused quartz 7.50×1017 1.30×10-18
PET 1.00×1021 10-21
Teflon 1.00×1023 to
1.00×1025
10-25 to 10-23