How is Glass Made? Science ABC
How is Glass Manufactured in Industry? I have already provided you with a rough idea of how glass is made, but now lets look at how glass is made in a proper industrial situation. In an industrial glass plant, sand is mixed with waste glass pieces (often collected from recycling), limestone (calcium carbonate CaCO 3 ) and soda ash (sodium carbonate Na 2 CO 3 ) before being heated in a furnace.