- Gold 24K 0.129
- Lead 0.129
- Platinum 0.130
- Mercury 0.140
- Silver 0.233
- Molybdenum, Pure 0.276
- Beryllium Copper 172 0.380
- Brass 360 0.380
- Copper 0.385
- Stainless, Duplex 2205® 0.450
- Stainless, 17-4 PH 0.460
- Stainless 316 & 316L 0.500
- Stanless 304 & 304L 0.500
- Diamond 0.509
- Argon 0.520
- Titanium 6AL-4V 0.526
- Flint Glass F4 0.553
- Fused Silica 7940 0.750
- Pyrex® 7740 0.750
- Concrete, gravel 0.760
- Macor® Ceramic 0.790
- Granite 0.790
- Zerodur® 0.800
- Soil, dry 0.800
- Sand, dry 0.835
- Carbon Dioxide 0.839
- Aerogel, silica 0.840
- Crown Glass BK7 0.858
- Aluminum 2024 T3 0.875
- Aluminum 2011 T3 0.880
- Aluminum 5052 H32 0.880
- Aluminum 6061 T6 0.896
- Oxygen 0.918
- Astro Sitall® 0.920
- Concrete, with Stones 0.950
- Aluminum 7075 T6 0.960
- Polysulfone 1.000
- Air, standard 1.003
- Air, room 1.012
- Nitrogen 1.040
- PTFE, Teflon® 1.300
- Nylon 6/6 1.670
- UHMW Polyethylene 1.900
- HDMW Polyethylene 1.900
- Beryllium, pure 1.925
- LDMW Polyethylene 2.100
- Methanol 2.140
- Gasoline 2.220
- Paraffin Wax, solid 2.500
- Beeswax, solid 3.400
- Salt Water 3.993
- Fresh Water 4.181
- Ammonia, liquid 4.700
- Helium 5.193
- Hydrogen 14.30
- Ammonia, liquid - gas 80.08
- Paraffin Wax, solid -liquid 900.00