Mechanical Properties of Neptunium and Thorium
Density
  
  
Density At Room Temperature
19.38 g/cm3
  
14
11.72 g/cm3
  
32
Tensile Strength
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Elasticity properties
  
  
Shear Modulus
Not Available
  
Bulk Modulus
Not Available
  
Young's Modulus
Not Available
  
Poisson Ratio
Not Available
  
Other Mechanical Properties
Ductile
  
Ductile