How to make glass

1.Prepare silica sand.

2.Add sodium carbonate and calcium oxide to the silica sand.

3, Add other chemicals according to the expected use of the glass.

4.Adding chemicals to make the glass achieve the desired color.

5.Put the glass mixture into a heat-resistant crucible or holder.

6.Melt the mixture into liquid form.

7, Make the glass melt uniform and remove air bubbles.

8, Shape the molten glass into a mold.

9, Strengthen the glass by heat treatment.