What are main ingredient of glass – InterviewSolution

1.	What are main ingredient of glass
Answer» MAIN glass ingredients: sand / soda / limestone. 70% Silica (sand) SiO2 , 18% Sodium oxide (soda ash) Na2O, 12% Calcium carbonate (lime) CaO melted at around 1320 degrees Celsius MAKES a typical glass which can be formed by BLOWING by mouth or machine, by casting, by PRESSING and by DRAWING.

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