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Thermal conductivity of 300+ common materials

Thermal conductivity of materials including acetone, water, air...

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1. Data table of thermal conductivity of common materials

Please find below a table of common materials and their thermal conductivity at a given temperature, aggregated from different sources.

  • Warning 1 : values were not verified individually
  • Warning 2 : The data below are thus only for a 1st reference, quick calculation, but no detail design, no guarantee are given upon them.
Please scroll down, the compounds are sorted alphabetically ; or use the Ctrl+F function to find what you are looking for.
Thermal conductivity of materials : from Acetals to Dichlorodifluoromethane

Compound name
Temperature (c) Thermal conductivity (W/mK)
Acetals Thermal conductivity of Acetals 25 0.23
Acetic Acid, 50% Thermal conductivity of Acetic Acid, 50% 20 0.35
Acetone Thermal conductivity of Acetone 30 0.17
Acetone Thermal conductivity of Acetone 25 0.16
Acetylene (gas) Thermal conductivity of Acetylene (gas) 25 0.018
Acrylic Thermal conductivity of Acrylic 25 0.2
Agate Thermal conductivity of Agate 25 10.9
Air (gas) Thermal conductivity of Air (gas) 0 0.024
Air (gas) Thermal conductivity of Air (gas) 20 0.026
Air (gas) Thermal conductivity of Air (gas) 100 0.031
Air, atmosphere (gas) Thermal conductivity of Air, atmosphere (gas) 25 0.0262
Air, elevation 10000 m Thermal conductivity of Air, elevation 10000 m 25 0.02
Alcohol Thermal conductivity of Alcohol 25 0.17
Alumina Thermal conductivity of Alumina 25 36
Aluminum Brass Thermal conductivity of Aluminum Brass 25 121
Aluminum Oxide Thermal conductivity of Aluminum Oxide 25 30
Ammonia (gas) Thermal conductivity of Ammonia (gas) 25 0.0249
Aniline Thermal conductivity of Aniline 20 0.17
Antimony Thermal conductivity of Antimony 25 18.5
Apple (85.6% moisture) Thermal conductivity of Apple (85.6% moisture) 25 0.39
Argon (gas) Thermal conductivity of Argon (gas) 25 0.016
Asbestos Thermal conductivity of Asbestos 0 0.16
Asbestos Thermal conductivity of Asbestos 100 0.19
Asbestos Thermal conductivity of Asbestos 200 0.21
Asbestos mill board Thermal conductivity of Asbestos mill board 25 0.14
Asbestos-cement Thermal conductivity of Asbestos-cement 25 2.07
Asbestos-cement board Thermal conductivity of Asbestos-cement board 25 0.744
Asbestos-cement sheets Thermal conductivity of Asbestos-cement sheets 25 0.166
Asbestos, loosely packed Thermal conductivity of Asbestos, loosely packed 25 0.15
Asphalt Thermal conductivity of Asphalt 25 0.75
Balsa wood Thermal conductivity of Balsa wood 25 0.048
Beef, lean (78.9 % moisture) Thermal conductivity of Beef, lean (78.9 % moisture) 25 0.43 - 0.48
Benzene Thermal conductivity of Benzene 30 0.16
Benzene Thermal conductivity of Benzene 25 0.16
Bismuth Thermal conductivity of Bismuth 25 8.1
Bitumen Thermal conductivity of Bitumen 25 0.17
Bitumen Thermal conductivity of Bitumen 25 0.17
Bitumen/felt layers Thermal conductivity of Bitumen/felt layers 25 0.5
Blast furnace gas (gas) Thermal conductivity of Blast furnace gas (gas) 25 0.02
Boiler scale Thermal conductivity of Boiler scale 25 1.2 - 3.5
Boron Thermal conductivity of Boron 25 25
Breeze block Thermal conductivity of Breeze block 25 0.10 - 0.20
Brick (Alumina) Thermal conductivity of Brick (Alumina) 430 3.1
Brick (Building) Thermal conductivity of Brick (Building) 20 0.72
Brick dense Thermal conductivity of Brick dense 25 1.31
Brick, fire Thermal conductivity of Brick, fire 25 0.47
Brick, insulating Thermal conductivity of Brick, insulating 25 0.15
Brickwork, common (Building Brick) Thermal conductivity of Brickwork, common (Building Brick) 25 0.6 -1.0
Brickwork, dense Thermal conductivity of Brickwork, dense 25 1.6
Bromine (gas) Thermal conductivity of Bromine (gas) 25 0.004
Brown iron ore Thermal conductivity of Brown iron ore 25 0.58
Butter (15% moisture content) Thermal conductivity of Butter (15% moisture content) 25 0.2
Calcium Chloride, 30% Thermal conductivity of Calcium Chloride, 30% 30 0.55
Calcium Silicate Thermal conductivity of Calcium Silicate 20 0.046
Calcium silicate Thermal conductivity of Calcium silicate 25 0.05
Carbon Thermal conductivity of Carbon 25 1.7
Carbon Dioxide (gas) Thermal conductivity of Carbon Dioxide (gas) 0 0.015
Carbon dioxide (gas) Thermal conductivity of Carbon dioxide (gas) 25 0.0146
Carbon monoxide Thermal conductivity of Carbon monoxide 25 0.0232
Cellulose acetate, molded, sheet Thermal conductivity of Cellulose acetate, molded, sheet 25 0.17 - 0.33
Cellulose nitrate, celluloid Thermal conductivity of Cellulose nitrate, celluloid 25 0.12 - 0.21
Cellulose, cotton, wood pulp and regenerated Thermal conductivity of Cellulose, cotton, wood pulp and regenerated 25 0.23
Cement, mortar Thermal conductivity of Cement, mortar 25 1.73
Cement, Portland Thermal conductivity of Cement, Portland 25 0.29
Chalk Thermal conductivity of Chalk 25 0.09
Charcoal Thermal conductivity of Charcoal 25 0.084
Chlorinated poly-ether Thermal conductivity of Chlorinated poly-ether 25 0.13
Chlorine (gas) Thermal conductivity of Chlorine (gas) 25 0.0081
Chrom-oxide Thermal conductivity of Chrom-oxide 25 0.42
Chrome Nickel Steel Thermal conductivity of Chrome Nickel Steel 25 16.3
Clay Thermal conductivity of Clay 20 0.6
Clay, dry to moist Thermal conductivity of Clay, dry to moist 25 0.15 - 1.8
Clay, saturated Thermal conductivity of Clay, saturated 25 0.6 - 2.5
Clinkers (Cement) Thermal conductivity of Clinkers (Cement) 20 0.7
Coal Thermal conductivity of Coal 25 0.2
Cod (83% moisture content) Thermal conductivity of Cod (83% moisture content) 25 0.54
Coke Thermal conductivity of Coke 25 0.184
Concrete, dense Thermal conductivity of Concrete, dense 25 1.0 - 1.8
Concrete, Heavy Thermal conductivity of Concrete, Heavy 20 1.3
Concrete, Isolation Thermal conductivity of Concrete, Isolation 20 0.207
Concrete, Light Thermal conductivity of Concrete, Light 20 0.418
Concrete, lightweight Thermal conductivity of Concrete, lightweight 25 0.1 - 0.3
Concrete, medium Thermal conductivity of Concrete, medium 25 0.4 - 0.7
Concrete, stone Thermal conductivity of Concrete, stone 25 1.7
Constantan Thermal conductivity of Constantan 25 23.3
Corian (ceramic filled) Thermal conductivity of Corian (ceramic filled) 25 1.06
Cork Thermal conductivity of Cork 30 0.043
Cork Thermal conductivity of Cork 25 0.07
Cork board Thermal conductivity of Cork board 25 0.043
Cork, re-granulated Thermal conductivity of Cork, re-granulated 25 0.044
Cotton Thermal conductivity of Cotton 25 0.04
Cotton wool Thermal conductivity of Cotton wool 25 0.029
Cotton Wool insulation Thermal conductivity of Cotton Wool insulation 25 0.029
Cupronickel 30% Thermal conductivity of Cupronickel 30% 25 30
Diamond Thermal conductivity of Diamond 20 2300
Diamond Thermal conductivity of Diamond 25 1000
Diatomaceous earth (Sil-o-cel) Thermal conductivity of Diatomaceous earth (Sil-o-cel) 25 0.06
Diatomite Thermal conductivity of Diatomite 25 0.12
Dichlorodifluoromethane R-12 (gas) Thermal conductivity of Dichlorodifluoromethane R-12 (gas) 25 0.007
Dichlorodifluoromethane R-12 (liquid) Thermal conductivity of Dichlorodifluoromethane R-12 (liquid) 25 0.09

Thermal conductivity of materials : from Earth to Phenolic resins

Earth, dry Thermal conductivity of Earth, dry 25 1.5
Ebonite Thermal conductivity of Ebonite 25 0.17
Emery Thermal conductivity of Emery 25 11.6
Engine Oil Thermal conductivity of Engine Oil 25 0.15
Epoxy Thermal conductivity of Epoxy 25 0.35
Ethane (gas) Thermal conductivity of Ethane (gas) 0 0.018
Ethane (gas) Thermal conductivity of Ethane (gas) 25 0.018
Ethanol, 80% Thermal conductivity of Ethanol, 80% 20 0.24
Ether Thermal conductivity of Ether 25 0.14
Ethylene (gas) Thermal conductivity of Ethylene (gas) 0 0.017
Ethylene (gas) Thermal conductivity of Ethylene (gas) 25 0.017
Ethylene glycol Thermal conductivity of Ethylene glycol 25 0.25
Feathers Thermal conductivity of Feathers 25 0.034
Felt insulation Thermal conductivity of Felt insulation 25 0.04
Fiber hardboard Thermal conductivity of Fiber hardboard 25 0.2
Fiber insulating board Thermal conductivity of Fiber insulating board 25 0.048
Fiberglass Thermal conductivity of Fiberglass 25 0.04
Fire-clay brick 500oC Thermal conductivity of Fire-clay brick 500oC 25 1.4
Fluorine (gas) Thermal conductivity of Fluorine (gas) 25 0.0254
Foam glass Thermal conductivity of Foam glass 25 0.045
Gasoline Thermal conductivity of Gasoline 25 0.15
Glass Thermal conductivity of Glass 20 0.935
Glass Thermal conductivity of Glass 25 1.05
Glass Fiber Thermal conductivity of Glass Fiber 20 0.042
Glass, Pearls, dry Thermal conductivity of Glass, Pearls, dry 25 0.18
Glass, Pearls, saturated Thermal conductivity of Glass, Pearls, saturated 25 0.76
Glass, window Thermal conductivity of Glass, window 25 0.96
Glass, wool Insulation Thermal conductivity of Glass, wool Insulation 25 0.04
Glycerol Thermal conductivity of Glycerol 25 0.28
Glycerol, 40% Thermal conductivity of Glycerol, 40% 20 0.45
Glycerol, 60% Thermal conductivity of Glycerol, 60% 20 0.38
Granite Thermal conductivity of Granite 25 1.7 - 4.0
Graphite Thermal conductivity of Graphite 0 151
Graphite Thermal conductivity of Graphite 25 168
Gravel Thermal conductivity of Gravel 20 2.5
Gravel Thermal conductivity of Gravel 25 0.7
Ground or soil, dry area Thermal conductivity of Ground or soil, dry area 25 0.5
Ground or soil, moist area Thermal conductivity of Ground or soil, moist area 25 1
Ground or soil, very dry area Thermal conductivity of Ground or soil, very dry area 25 0.33
Ground or soil, very moist area Thermal conductivity of Ground or soil, very moist area 25 1.4
Gypsum board Thermal conductivity of Gypsum board 25 0.17
Hairfelt Thermal conductivity of Hairfelt 25 0.05
Hardboard high density Thermal conductivity of Hardboard high density 25 0.15
Hardwoods (oak, maple..) Thermal conductivity of Hardwoods (oak, maple..) 25 0.16
Hastelloy C Thermal conductivity of Hastelloy C 25 12
Helium (gas) Thermal conductivity of Helium (gas) 20 0.152
Helium (gas) Thermal conductivity of Helium (gas) 25 0.142
Heptane Thermal conductivity of Heptane 30 0.14
Honey (12.6% moisture content) Thermal conductivity of Honey (12.6% moisture content) 25 0.5
Human Skin Thermal conductivity of Human Skin 20 0.37
Hydrochloric acid (gas) Thermal conductivity of Hydrochloric acid (gas) 25 0.013
Hydrogen (gas) Thermal conductivity of Hydrogen (gas) 0 0.17
Hydrogen (gas) Thermal conductivity of Hydrogen (gas) 25 0.168
Hydrogen sulfide (gas) Thermal conductivity of Hydrogen sulfide (gas) 25 0.013
Ice (0oC, 32oF) Thermal conductivity of Ice (0oC, 32oF) 25 2.18
Inconel Thermal conductivity of Inconel 25 15
Ingot iron Thermal conductivity of Ingot iron 25 47 - 58
Insulation materials Thermal conductivity of Insulation materials 25 0.035 - 0.16
Iodine Thermal conductivity of Iodine 25 0.44
Iridium Thermal conductivity of Iridium 25 147
Iron-oxide Thermal conductivity of Iron-oxide 25 0.58
Kapok insulation Thermal conductivity of Kapok insulation 25 0.034
Kerosene Thermal conductivity of Kerosene 25 0.15
Krypton (gas) Thermal conductivity of Krypton (gas) 25 0.0088
Leather, dry Thermal conductivity of Leather, dry 25 0.14
Limestone Thermal conductivity of Limestone 25 1.26 - 1.33
Magnesia 85% Thermal conductivity of Magnesia 85% 20 0.07
Magnesia insulation (85%) Thermal conductivity of Magnesia insulation (85%) 25 0.07
Magnesite Thermal conductivity of Magnesite 200 3.8
Magnesite Thermal conductivity of Magnesite 25 4.15
Magnesium alloy Thermal conductivity of Magnesium alloy 25 70 - 145
Marble Thermal conductivity of Marble 25 2.08 - 2.94
Mercury Thermal conductivity of Mercury 20 8.54
Mercury Thermal conductivity of Mercury 28 8.36
Methane (gas) Thermal conductivity of Methane (gas) 0 0.029
Methane (gas) Thermal conductivity of Methane (gas) 25 0.03
Methanol Thermal conductivity of Methanol 25 0.21
Mica Thermal conductivity of Mica 50 0.43
Mica Thermal conductivity of Mica 25 0.71
Milk Thermal conductivity of Milk 25 0.53
Mineral wool insulation materials, wool blankets .. Thermal conductivity of Mineral wool insulation materials, wool blankets .. 25 0.04
Neon (gas) Thermal conductivity of Neon (gas) 25 0.046
Neoprene Thermal conductivity of Neoprene 25 0.05
Nitric oxide (gas) Thermal conductivity of Nitric oxide (gas) 25 0.0238
Nitrogen (gas) Thermal conductivity of Nitrogen (gas) 0 0.024
Nitrogen (gas) Thermal conductivity of Nitrogen (gas) 25 0.024
Nitrous oxide (gas) Thermal conductivity of Nitrous oxide (gas) 25 0.0151
Nylon 6, Nylon 6/6 Thermal conductivity of Nylon 6, Nylon 6/6 25 0.25
Oil, machine lubricating SAE 50 Thermal conductivity of Oil, machine lubricating SAE 50 25 0.15
Olive oil Thermal conductivity of Olive oil 25 0.17
Oxygen (gas) Thermal conductivity of Oxygen (gas) 0 0.024
Oxygen (gas) Thermal conductivity of Oxygen (gas) 25 0.024
Palladium Thermal conductivity of Palladium 25 70.9
Paper Thermal conductivity of Paper 25 0.05
Paraffin Wax Thermal conductivity of Paraffin Wax 25 0.25
Peat Thermal conductivity of Peat 25 0.08
Perlite, atmospheric pressure Thermal conductivity of Perlite, atmospheric pressure 25 0.031
Perlite, vacuum Thermal conductivity of Perlite, vacuum 25 0.00137
Phenol-formaldehyde moulding compounds Thermal conductivity of Phenol-formaldehyde moulding compounds 25 0.13 - 0.25
Phenolic cast resins Thermal conductivity of Phenolic cast resins 25 0.15

 

Thermal conductivity of materials : from Phosphorbronze to Xenon

Phosphorbronze Thermal conductivity of Phosphorbronze 25 110
Pinchbeck Thermal conductivity of Pinchbeck 25 159
Pit coal Thermal conductivity of Pit coal 25 0.24
Pitch Thermal conductivity of Pitch 25 0.13
Plaster light Thermal conductivity of Plaster light 25 0.2
Plaster, metal lath Thermal conductivity of Plaster, metal lath 25 0.47
Plaster, sand Thermal conductivity of Plaster, sand 25 0.71
Plaster, wood lath Thermal conductivity of Plaster, wood lath 25 0.28
Plasticine Thermal conductivity of Plasticine 25 0.65 - 0.8
Plastics, foamed (insulation materials) Thermal conductivity of Plastics, foamed (insulation materials) 25 0.03
Plywood Thermal conductivity of Plywood 25 0.13
Polycarbonate Thermal conductivity of Polycarbonate 25 0.19
Polyester Thermal conductivity of Polyester 25 0.05
Polyethylene high density, PEH Thermal conductivity of Polyethylene high density, PEH 25 0.42 - 0.51
Polyethylene low density, PEL Thermal conductivity of Polyethylene low density, PEL 25 0.33
Polyisoprene hard rubber Thermal conductivity of Polyisoprene hard rubber 25 0.16
Polyisoprene natural rubber Thermal conductivity of Polyisoprene natural rubber 25 0.13
Polymethylmethacrylate Thermal conductivity of Polymethylmethacrylate 25 0.17 - 0.25
Polypropylene, PP Thermal conductivity of Polypropylene, PP 25 0.1 - 0.22
Polystyrene, expanded styrofoam Thermal conductivity of Polystyrene, expanded styrofoam 25 0.03
Polystyrol Thermal conductivity of Polystyrol 25 0.043
Polytetrafluoroethylene (PTFE) Thermal conductivity of Polytetrafluoroethylene (PTFE) 25 0.25
Polyurethane foam Thermal conductivity of Polyurethane foam 25 0.03
Polyvinylchloride, PVC Thermal conductivity of Polyvinylchloride, PVC 25 0.19
Porcelain Thermal conductivity of Porcelain 25 1.5
Potassium Thermal conductivity of Potassium 25 1
Potato, raw flesh Thermal conductivity of Potato, raw flesh 25 0.55
Propane (gas) Thermal conductivity of Propane (gas) 25 0.015
Pyrex glass Thermal conductivity of Pyrex glass 25 1.005
Quartz mineral Thermal conductivity of Quartz mineral 25 3
Radon (gas) Thermal conductivity of Radon (gas) 25 0.0033
Rock Wool insulation Thermal conductivity of Rock Wool insulation 25 0.045
Rock, porous volcanic (Tuff) Thermal conductivity of Rock, porous volcanic (Tuff) 25 0.5 - 2.5
Rock, solid Thermal conductivity of Rock, solid 25 2 - 7
Rockwool Thermal conductivity of Rockwool 20 0.034
Rosin Thermal conductivity of Rosin 25 0.32
Rubber, cellular Thermal conductivity of Rubber, cellular 25 0.045
Rubber, Hard Thermal conductivity of Rubber, Hard 0 0.15
Rubber, natural Thermal conductivity of Rubber, natural 25 0.13
Rubber, Soft Thermal conductivity of Rubber, Soft 20 0.13
Salmon (73% moisture content) Thermal conductivity of Salmon (73% moisture content) 25 0.5
Sand, dry Thermal conductivity of Sand, dry 25 0.15 - 0.25
Sand, moist Thermal conductivity of Sand, moist 25 0.25 - 2
Sand, saturated Thermal conductivity of Sand, saturated 25 2 - 4
Sandstone Thermal conductivity of Sandstone 25 1.7
Sawdust Thermal conductivity of Sawdust 20 0.052
Sawdust Thermal conductivity of Sawdust 25 0.08
Sheep wool Thermal conductivity of Sheep wool 25 0.039
Silica aerogel Thermal conductivity of Silica aerogel 25 0.02
Silicon carbide Thermal conductivity of Silicon carbide 25 120
Silicon cast resin Thermal conductivity of Silicon cast resin 25 0.15 - 0.32
Silicon oil Thermal conductivity of Silicon oil 25 0.1
Slag wool Thermal conductivity of Slag wool 25 0.042
Slate Thermal conductivity of Slate 25 2.01
Snow (temp < 0oC) Thermal conductivity of Snow (temp < 0oC) 25 0.05 - 0.25
Softwoods (fir, pine ..) Thermal conductivity of Softwoods (fir, pine ..) 25 0.12
Soil, clay Thermal conductivity of Soil, clay 25 1.1
Soil, saturated Thermal conductivity of Soil, saturated 25 0.6 - 4
Soil, with organic matter Thermal conductivity of Soil, with organic matter 25 0.15 - 2
Solder 50-50 Thermal conductivity of Solder 50-50 25 50
Soot Thermal conductivity of Soot 25 0.07
Steam, low pressure Thermal conductivity of Steam, low pressure 25 0.0188
Steam, saturated Thermal conductivity of Steam, saturated 25 0.0184
Steatite Thermal conductivity of Steatite 25 2
Straw slab insulation, compressed Thermal conductivity of Straw slab insulation, compressed 25 0.09
Styrofoam Thermal conductivity of Styrofoam 25 0.033
Subsoil
(8% wt moisture)
Thermal conductivity of Subsoil
(8% wt moisture)
20 0.9
Subsoil, Dry Sandy Thermal conductivity of Subsoil, Dry Sandy 20 0.3
Sugars Thermal conductivity of Sugars 25 0.087 - 0.22
Sulfur dioxide (gas) Thermal conductivity of Sulfur dioxide (gas) 25 0.0086
Sulfur, crystal Thermal conductivity of Sulfur, crystal 25 0.2
Sulphuric Acid, 60% Thermal conductivity of Sulphuric Acid, 60% 30 0.43
Sulphuric Acid, 90% Thermal conductivity of Sulphuric Acid, 90% 30 0.36
Tar Thermal conductivity of Tar 25 0.19
Tellurium Thermal conductivity of Tellurium 25 4.9
Timber, alder Thermal conductivity of Timber, alder 25 0.17
Timber, ash Thermal conductivity of Timber, ash 25 0.16
Timber, birch Thermal conductivity of Timber, birch 25 0.14
Timber, larch Thermal conductivity of Timber, larch 25 0.12
Timber, maple Thermal conductivity of Timber, maple 25 0.16
Timber, oak Thermal conductivity of Timber, oak 25 0.17
Timber, pitchpine Thermal conductivity of Timber, pitchpine 25 0.14
Timber, pockwood Thermal conductivity of Timber, pockwood 25 0.19
Timber, red beech Thermal conductivity of Timber, red beech 25 0.14
Timber, red pine Thermal conductivity of Timber, red pine 25 0.15
Timber, walnut Thermal conductivity of Timber, walnut 25 0.15
Timber, white pine Thermal conductivity of Timber, white pine 25 0.15
Urethane foam Thermal conductivity of Urethane foam 25 0.021
Urethane Foam (Rigid) Thermal conductivity of Urethane Foam (Rigid) 20 0.026
Vacuum Thermal conductivity of Vacuum 25 0
Vermiculite granules Thermal conductivity of Vermiculite granules 25 0.065
Vinyl ester Thermal conductivity of Vinyl ester 25 0.25
Water Thermal conductivity of Water 20 0.613
Water Thermal conductivity of Water 30 0.62
Water Thermal conductivity of Water 60 0.66
Water Thermal conductivity of Water 25 0.606
Water (Vapour) Thermal conductivity of Water (Vapour) 100 0.025
Wet sand
(8% wt moisture)
Thermal conductivity of Wet sand
(8% wt moisture)
20 0.6
Wheat flour Thermal conductivity of Wheat flour 25 0.45
White metal Thermal conductivity of White metal 25 35 - 70
Wood Thermal conductivity of Wood 20 0.17
Wood across the grain, balsa Thermal conductivity of Wood across the grain, balsa 25 0.055
Wood across the grain, white pine Thermal conductivity of Wood across the grain, white pine 25 0.12
Wood across the grain, yellow pine, timber Thermal conductivity of Wood across the grain, yellow pine, timber 25 0.147
Wood wool, slab Thermal conductivity of Wood wool, slab 25 0.1 - 0.15
Wood, oak Thermal conductivity of Wood, oak 25 0.17
Wool, felt Thermal conductivity of Wool, felt 25 0.07
Xenon (gas) Thermal conductivity of Xenon (gas) 25 0.0051