Radiography Isotopes Iridium 192  
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Half Value Thickness

 

All thicknesses in mm

Material Density (g/cm3) 1/2 1/10 1/100
Lead (Pb) 11.3 5.5 - -
DU (U238) 18.2 - - -
Tungsten (W) 19.3 3.1 - -
Concrete 2.3 - - -
Steel 8 - -

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