Mechanical Properties of Rubidium and Cesium
Density
  
  
Density At Room Temperature
1.53 g/cm3
  
99+
1.93 g/cm3
  
99+
Density When Liquid (at m.p.)
1.46 g/cm3
  
99+
1.84 g/cm3
  
99+
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Vapor Pressure
  
  
Elasticity properties
  
  
Poisson Ratio
Not Available
  
Not Available
  
Other Mechanical Properties
Ductile
  
Ductile