PROBLEM TO BE SOLVED: To provide a glass for medical container that has a high transparency after radiation and also has excellent hydrolysis resistance.SOLUTION: The glass for medical container has a glass composition comprising, in mass% calculated in terms of following oxides, SiO2 50-75%, Al2O3 1-20%, B2O3 0-5%, BaO 0-15%, ZnO 0-5%, Li2O 0-10%, Na2O 0-10%, K2O 0-10%, Li2O+Na2O+K2O 5-20%, and CeO2 0.5-3%.COPYRIGHT: (C)2015,JPO&INPIT【課題】放射線照射後においても透明性が高く、しかも加水分解抵抗性に優れた医療用ガラスを提供する。【解決手段】ガラス組成として下記酸化物換算の質量%で、SiO2 50~75%、Al2O3 1~20%、B2O3 0~5%、BaO 0~15%、ZnO 0~5%、Li2O 0~10%、Na2O 0~10%、K2O 0~10%、Li2O+Na2O+K2O 5~20%、CeO2 0.5~3%を含有することを特徴とする。【選択図】なし
