Material |
Min. |
Max. |
Air | 1 |
1 |
Amber | 2.6 |
2.7 |
Asbestos fiber | 3.1 |
4.8 |
Bakelite | 5 |
22 |
Barium Titanate | 100 |
1250 |
Beeswax | 2.4 |
2.8 |
Cambric | 4 |
4 |
Carbon Tetrachloride | 2.17 |
2.17 |
Celluloid | 4 |
4 |
Cellulose Acetate | 2.9 |
4.5 |
Durite | 4.7 |
5.1 |
Ebonite | 2.7 |
2.7 |
Epoxy Resin | 3.4 |
3.7 |
Ethyl Alcohol | 6.5 |
25 |
Fiber | 5 |
5 |
Formica | 3.6 |
6 |
Glass | 3.8 |
14.5 |
Glass Pyrex | 4.6 |
5 |
Gutta Percha | 2.4 |
2.6 |
Isolantite | 6.1 |
6.1 |
Kevlar | 3.5 |
4.5 |
Lucite | 2.5 |
2.5 |
Mica | 4 |
9 |
Micarta | 3.2 |
5.5 |
Mycalex | 7.3 |
9.3 |
Neoprene | 4 |
6.7 |
|
Material |
Min. |
Max. |
Nylon | 3.4 |
22.4 |
Paper | 1.5 |
3 |
Paraffin |
2 |
3 |
Plexiglass |
2.6 | 3.5 |
Polycarbonate |
2.9 | 3.2 |
Polyethylene |
2.2 | 2.4 |
Polyimide |
3.4 | 3.5 |
Polystyrene |
2.4 | 3 |
Porcelain |
5 | 6.5 |
Quartz | 5 |
5 |
Rubber | 2 |
4 |
Ruby Mica |
5.4 | 5.4 |
Selenium |
6 |
6 |
Shellac |
2.9 |
3.9 |
Silicone |
3.2 |
4.7 |
Slate | 7 |
7 |
Soil dry |
2.4 |
2.9 |
Steatite |
5.2 |
6.3 |
Styrofoam |
1.03 | 1.03 |
Teflon |
2.1 |
2.1 |
Titanium Dioxide |
100 | 100 |
Vaseline |
2.16 |
2.16 |
Vinylite |
2.7 |
7.5 |
Water distilled |
34 | 78 |
Waxes, Mineral |
2.2 | 2.3 |
Wood dry |
1.4 |
2.9 |
|