Britannica AI Icon

aluminosilicate glass

material science

Quick Summary

Aluminosilicate glasses are a type of silica-based glass that falls between pure silica glass and common soda-lime-silica glass in terms of thermal properties and cost. These glasses are known for their excellent chemical durability, especially resistance to alkalies, and can withstand higher operating temperatures than borosilicate glasses.123

Key applications for aluminosilicate glasses include glass halogen lamps and fibreglass, such as E glass and S glass, which are used in fiber-reinforced plastics and thermal insulation. Their composition typically includes silica, alumina, and other oxides like lime, magnesia, and boric oxide.12

Summary created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Ask Britannica AI about this topic

Britannica doesn't have a full article on this topic, so we've curated a list of our relevant coverage.