Glass Ingredients - What is Glass Made Of?
Here are the basic components of modern glass: . Pure Silica (SiO2, fused quartz) represents 70-74% weight of modern glass. In ancient times, glassworkers prepared recipes with more than 90% of pure silica, but because this substance has a melting point of about 2000 degrees centigrade (3,600° F) chemist found a way to lower that temperature by introducing various additives into the mix ...
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