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 |