Dielectric Constants for Common Materials
| Material | Temp. °F/°C |
Dielectric Constant |
Material | Temp. °F/°C |
Dielectric Constant |
Material | Temp. °F/°C |
Dielectric Constant |
|||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Acetal | 3.6 | Ethanol | 77/25 | 24.3 | Paraffin | 1.9 to 2.5 | |||||
| Acetoaldehyde | 22.2 | Ethyl acetate | 6.4 | Pentane | 1.8 | ||||||
| Acetoanilide, granules | 2.8 | Ethyl alcohol | 23 | Phenol | 118/47 | 9.9 | |||||
| Acetone | 21.4 | Ethyl benzene | 2.5 | Phenolic resin | 4 to 12 | ||||||
| Acetyl methyl hexyl ketone | 28 | Ethyl ether | 4.3 | Phosgene | 32/0 | 4.7 | |||||
| Acrylic resin | 2.7 to 6 | Ethyl toluene | 2.2 | Polyacetal resin | 2.6 to 3.7 | ||||||
| Alcohol | 16 to 31 | Ethylene chloride | 10.5 | Polyamide resin | 2.5 to 2.6 | ||||||
| Aluminum carbonate | 5.6 | Ethylene glycol | 37 | Polycarbonate resin | 2.9 to 3 | ||||||
| Aluminum chlorate | 5.1 | Ferric oxide | 1.4 to 1.8 | Polyester resin | 2.8 to 4.5 | ||||||
| Aluminum ether | 3.1 | Fluorine resin | 2 to 8 | Polyethylene resin | 2.2 to 2.6 | ||||||
| Aluminum powder | 1.6 to 1.8 | Formic acid | 60/16 | 58.5 | Polystrene resin | 2.2 to 2.6 | |||||
| Ammonia | -27/-33 | 2.4 | Freon | 2.2 | Propane | 32/0 | 1.6 | ||||
| Ash (flyash) | 1.9 to 2.6 | Freon 12 | 70/21 | 2.4 | Pyridine | 12.5 | |||||
| Bakelite | 4.5 to 5.5 | Glass raw material | 2.0 to 2.5 | Rubber, raw | 2.1 to 2.7 | ||||||
| Barley, powder | 3.4 to 4.0 | Glass-silicone plate | 3.5 to 4.2 | Rubber, vulcanized | 2.0 to 3.5 | ||||||
| Benzene | 2.3 | Glycerine | 47 | Sand | 3 to 5 | ||||||
| Benzil | 202/94 | 13 | Glycol | 36 | Sesame, powder | 1.8 to 2.0 | |||||
| Bleaching powder | 1.8 to 2.0 | Heptane | 1.9 | Silica sand | 2.5 to 3.5 | ||||||
| Bromine | 3.1 | Hexane | 1.9 | Silicon | 2.4 | ||||||
| Butane | 30/-1 | 1.4 | Hydrogen chloride | 82/28 | 4.6 | Silicon resin | 3.5 to 5 | ||||
| Calcium carbonate | 1.8 to 2.0 | Iodine | 224/107 | 118 | Silicon tetrachloride | 2.4 | |||||
| Carbon dioxide | 1.6 | Kerosene | 70/21 | 1.8 | Soap, powder | 1.2 to 1.5 | |||||
| Carbon tetrachloride | 2.2 | Manganese dioxide | 5.0 to 5.2 | Sodium carbonate | 5.3 to 8.4 | ||||||
| Castor oil | 60/16 | 4.7 | Margarine, liquid | 2.8 to 3.2 | Sodium nitrate | 5.2 | |||||
| Cellophane | 7 to 7.7 | Melamine resin | 4.7 to 10.2 | Soybean | 1.8 to 2.0 | ||||||
| Celluloid | 4.1 | Methanol | 77/25 | 33.6 | Steatite | 5.3 to 6.8 | |||||
| Cellulose | 6.7 | Methyl acetate | 7.3 | Styrene (styrol resin) | 77/25 | 2.4 | |||||
| Chlorine | 32/0 | 2 | Methyl alcohol | 33.1 | Sugar | 3 | |||||
| Chlorine | 2.1 | Methyl ether | 78/26 | 5 | Sulfur monoxide | 4.8 | |||||
| Chloroform | 32/0 | 5.5 | Methyl salycilate | 9 | Sulfur, powder | 1.5 to 1.8 | |||||
| Coal | 1.2 to 1.8 | Mica | 4.5 to 7.5 | Teflon | 2 | ||||||
| Coke, powder | 1.1 to 2.2 | Napthalene | 2.5 | Toluene | 2.4 | ||||||
| Colophonium | 2.5 to 2.6 | Nylon | 4 to 5 | Trichloethylene | 3.4 | ||||||
| Corn | 2.3 to 2.6 | Octane | 2 | Urea | 3.5 | ||||||
| Cyclohexane | 2 | Oil, mineral | 2.2 to 2.4 | Urethane | 6.5 to 7.1 | ||||||
| Dimethylheptane | 1.9 | Oils, petroleum | 1.8 to 2.2 | Vinyl ether | 3.9 | ||||||
| Dimethylpentane | 1 | Oils, vegetable | 2.5 to 3.5 | Water | 80 | ||||||
| Dolomite | 8.8 | Olefin | 3.2 | Wheat, powder | 2.5 to 3 | ||||||
| Dowtherm | 70/21 | 3.3 | Oleic acid | 2.5 | Xylene | 2.4 |