X-ray and gamma-ray shielding glass

The present invention relates to a glass composition for shielding X-rays and gamma rays, comprising the following components in weight percent: SiO2 10-35%, especially 20-35% PbO 60-70%, preferably 60-67%, especially 60-65% B2O3 0-8%, especially 1-5%, preferably 1.5-2. 5% Al2O3 0-10%, especially 0%...

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Bibliographische Detailangaben
Hauptverfasser: Niessner, Lothar, Krzyzak, Marta, Carré, Antoine, Hegemann, Andreas
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a glass composition for shielding X-rays and gamma rays, comprising the following components in weight percent: SiO2 10-35%, especially 20-35% PbO 60-70%, preferably 60-67%, especially 60-65% B2O3 0-8%, especially 1-5%, preferably 1.5-2. 5% Al2O3 0-10%, especially 0% Na2O 0-10%, especially 0.05-2% K2O 0-10%, especially 0.1-3% As2O3 0-0.3% Sb2O3 0-2%, especially 0.1-0.5% BaO 0-6%, in particular 0%, characterized in that the glass further comprises, by weight%, ZrO2 0.05-2%, in particular 0.1-2 %, Preferably 0.5 to 2%, especially 1 to 2%.