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Chemical Composition

Float glass has the following composition:

  • Silicate Sand, the base component in the form of sand (70 - 72%).
  • Sodium Carbonate, sulphates and nitrates (approximately 14%).
  • Calcium Carbonate, used as a melting agent to homogenize the mixture (about 10%).
  • Various others oxides such as alumina and manganese to improve the physical properties of glass, including its resisance to atmospheric pollutants.
  • For body-tinted glass, metal oxides can also be incorporated.
 
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