RADIATION SHIELDING GLASS AND RADIATION SHIELDING ARTICLE USING THE SAME

摘要

A radiation shielding article 10 is in the form of a plurality of radiation shielding glasses 11 that are stuck together with resin films 12 therebetween, respectively. Each radiation shielding glass 11 is made of glass essentially free of Pb and having a lead equivalent of 0.03 mmPb/mm or more relative to an X-ray of 100kV. Further, each radiation shielding glass 11 has a composition containing, by mass%, 50 to 65 % of SiO2, 5 to 15 % of Al2O3, 0.1 to 9 % of ZrO2, 10 to 27 % of MgO+CaO+SrO+BaO+ZnO, and 7 to 15 % of Li2O+Na2O+K2O. <IMAGE>