|
6.9 |
Approximate Densities of commonly used Materials (megagrammes per cubic metre) |
|
Substance |
Density |
Substance |
Density |
Substance |
Density |
|
Acetone |
0.8 |
Emery |
4.0 |
Paraffin wax |
0.9 |
|
Agate |
2.6 |
Gas carbon |
1.9 |
Permalloy C |
8.6 |
|
Alcohol |
0.8 |
Gelatine |
1.3 |
Petroleum |
0.8 |
|
Alni |
6.9 |
German silver |
8.4 |
Phosphor-bronze |
8.9 |
|
Alnico |
7.1 |
Glass |
pg. 93 |
Pine (white) |
0.5 |
Approximate Densities of Glasses
|
Glass type (Optical Glasses) |
Density g / cm3 |
|
Borosilicate Crown BSC 510644 |
2.49 |
|
Hard Crown HC 519604 |
2.53 |
|
Light Barium Crown LBC 541595 |
2.87 |
|
Zinc Crown ZC 508612 |
2.49 |
|
Medium Barium Crown MBC 569558 |
3.12 |
|
Dense Barium Crown DBC 612585 |
3.56 |
|
Soft Crown SC 515564 |
2.58 |
Properties of the Commoner Polymers
|
Polymer |
Density g / cm3 |
|
Casein formaldehyde |
ca.1.35, 1.30 (fibres) |
|
Cellulose, natural (cotton, wood pulp etc.) or regenerated (Rayon, Cellophane) |
1.48 to 1.53 |
|
Celluloid. Nitrocellulose (Cellulose nitrate) |
1.35 to 1.6 |
|
Neoprene (poly 2 chloro - 1 : 3 butadiene) |
1.23 to 1.25 |
|
Nylon (nylon 6 is poly - e - caprolactam : nylon 66 is polyhexamethylene - adipamide) |
1.14 to 1.15 1.13 to 1.14 (fibres) |