作者: Robert Michael Morena , Melinda Ann Drake
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摘要: Alkaline earth alumino-silicate glass compositions with improved chemical and mechanical durability pharmaceutical packages comprising the same are disclosed herein. In one embodiments, a composition includes from about 67 mol.% to 75 SiO 2 ; 6 10 Αl O 3 5 12 alkali oxide; 9 15 of alkaline oxide. The oxide comprises at least Νa K O. is free boron compounds susceptible ion exchange thereby facilitating chemically strengthening improve durability.