Lithium Polyethylene
JC215
JC215 is an effective neutron shield that uses lithium instead of boron as the thermal neutron absorber.
Thermal neutrons captured by boron produce a 420 keV capture gamma that in some cases may be undesirable. Lithium does not produce a capture gamma, but since lithium has a lower thermal neutron cross-section than boron, your application will require a thicker shield to attain the same shielding factor as for boron loaded polyethylene.
JC215 is available in a wide range of form factors including slabs, bricks, cylinders, and other custom shapes. It is easily machined using common wood- and metal-working tools. JCS can not only provide custom machining but can also pour JC215 into custom made moulds to reduce the machining necessary for more complex application-specific shielding forms.
Features at a glance
- Useful for shielding detectors in neutron fields as Lithium does not emit capture gammas when thermal neutrons are absorbed
- High hydrogen content with 7.5% lithium
- Shields using enriched lithium 6
- Available in slabs, cylinders, and other custom shapes
- Other lithium concentrations on request
