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True Water-Equivalent Material

Virtual water stack 1400

Modality

Task Group

Category

Virtual water stack 1400

Specifications

Virtual Water Specifications
Mass Density (g/cm3) 1.04 g/cm3
Electron Density (e-/cm3NA) 0.557 +/- 0.001
Virtual Water/ Water Electron Density Ratio 1.000 +/- 0.005
Depth Ionization Relative-to-Water- Photons 1.000 +/- 0.005
Depth Ionization Relative-to-Water- Electrons 1.000 +/- 0.005
Water Equivalency Photon & Electron Range -0.5%
Batch Consistency +/- 0.02% Measured
Thickness Tolerance +/- 0.15 mm (0.006 in)
Length and Width Tolerance +/- 0.5 mm (0.02 in)
Flatness 0.2 mm (0.008 in)
Sizes Available 20 cm, 30 cm, 40 cm (Standard)
Thicknesses Available 0.1 cm, 0.2 cm, 0.3 cm, 0.4 cm, 0.5 cm, 1.0 cm, 2.0 cm, 3.0 cm, 4.0 cm, 5.0 cm, 6.0 cm (Standard)
Other Options Milled for Parallel Plate Chamber or Drilled Cavity for Ion Chamber
Specifications Material Epoxy resins and powders to control density and radiation properties.
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