Polyethylene

(CH₂)ₙ

Shielding

Density: 0.93 g/cm³

High-density polyethylene (HDPE). Effective neutron moderator and shield due to high hydrogen content.

Composition

Nuclide / ElementFraction
H-10.666667
Carbon (natural)0.333333

S(α,β) required: poly

Code output

MCNP
c Polyethylene (CH2)
c Density: 0.93 g/cm3 (use -0.93 on cell card)
m31    1001.80c  0.666667  $ H-1
       6000.80c  0.333333  $ C (natural)
mt31  poly.20t
← Back to Materials Library