RADIATION SHIELDING MATERIAL
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United States of America Patent
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Issued Date -
Apr 20, 2023
app pub date -
Oct 8, 2020
filing date -
Oct 8, 2020
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Abstract
A radiation shielding material includes a main body having communication air holes and made of a base member constituting a three-dimensional reticulate skeletal structure, and a metal having radiation shielding capability. The radiation shielding material has moisture permeability through the communication air holes. The base member contains fibers, a foam material, a porous material, or a spongy material. The metal is provided in the form of a film so as to cover the surfaces of the base member of the main body. The radiation shielding material has a degree of moisture permeability of 1 g/m2 h or higher measured through the A-2 method that is a water method in accordance with JIS L 1099 where the temperature is modified to 20° C. and the humidity is modified to 65% RH.
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