Tag Archives: GlassmakingHouse And Home

Glass Facts

Glass is made mainly from ordinary sand (composed of silica), from soda ash (sodium carbonate) and from limestone (calcium carbonate). Glass can be made from silica alone. However, silica has a very high melting point (1700°C), so soda ash is added to lower its melting point. Adding a lot of soda ash makes glass too…
Read more…