Industrial gas: helium
Matheson Tri-Gas
Gas Data
Molecular Weight: 4.00
Density: 0.165 kg/m3 @ 21.1°C, 101.325 kPa
0.0103 lb/ft3 @ 70°F, 14.696 psia
Specific Volume: 6.06 m3/kg @ 21.1°C, 101.325 kPa
97.1 ft3/lb @ 70°F, 14.696 psia
