SWX-238 25% Flexi-Boron Sizes: 12 x 24", 24 x 36" and 6 x 6"
Flexi-Boron has a very high boron concentration (2.32 x 10²² boron atoms/cc), containing 25.3 weight-percent boron uniformly distributed through each silicone elastomer sheet. The high boron content give a thermal attenuation factor of 259 for the standard 1/8" (3.2mm) thickness. It will withstand temperatures up to 400°F (205°C) without loss of physical or nuclear properties, and is self-extinguishing when exposed to flame.
Flexi-Boron's flexible sheet material is useful for shielding irregular shapes such as cylinders. It can also be bent in a radius as small as 1/4" (6.4mm). Shieldwerx stocks two standard sheet sizes: SWX-238A is 1/8" x 12" x 24" (3.2 x 305 x 610mm) and SWX-238B is 1/8" x 24" x 36" (3.2 x 610 x 914mm). Other rectangular sizes and thicknesses may be custom ordered. SWX-238 is also available in cylinders of custom diameters and wall thicknesses. Though typically pre-cast, type 238 can be shipped as a field castable Mix Kit, as pictured with the Castable Shielding products.
SWX-227 9% Borated Flexi-Panel Size: 48" x 48"
Borated Flexi-Panel is used on the inner walls of treatment rooms to prevent the production of high-energy capture gammas and the activation of the components of concrete. Borated Flexi-Panel is a flexible lightweight sheet material, which has high concentration of boron to minimize the effects of neutrons striking the surroundings. A boron content of 9% gives the material an attenuation factor of 22 for thermal neutrons. Its hydrogen content helps slow the fast neutrons, which can reduce the overall radiation field.
Type 227 suppresses such nuclear reactions as the production of Al-28, which has a nuclear half-life of 2.3 minutes and a 1.78 MeV gamma from concrete walls, permitting earlier access to the accelerator area after completion of the treatment. This strong rubber-like material is also self-extinguishing when exposed to flame.
Borated Flexi-Panel is an inexpensive neutron shielding material, available in standard sheets 0.275" x 48" x 48" (7 x 1219 x 1219mm), weighing 27 pounds (12.3kg) each. the material an be installed by non-specialized
personnel; it can be cut to size using a pocket knife, be bent in a radius as small as 1/2" (12.7mm),
and can be readily applied to concrete or other wall surfaces using any standard mounting
technique. Special sizes and thicknesses
can be fabricated upon request.
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