Glass – What is it made from?

What is Glass? Glass used in building is sometimes called the SLS (soda-lime-silicate) glass, and it has the following composition: silica – the raw material in the form of sand (70%) soda – the flux as carbonate and sulphate (approx. 14%) lime – stabiliser in the form of limestone (approx. 10%) various other oxides such […]

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