Is glass a crystalline substance? Is there a glass melting point? Why does the molten glass not solidify immediately?

Is glass a crystalline substance? Is there a glass melting point? Why does the molten glass not solidify immediately? How do you get flat glass, bottles, buttons?

Glass is an amorphous substance, therefore it does not have a clear melting point and does not solidify immediately.
For the production of sheet glass, a machine hood is used. In this method, the glass is pulled out of the glass furnace in the form of a continuous strip through the rolling rolls, enters the cooling shaft, where it is cut into separate sheets. Button bottles are produced from molten glass by molding followed by annealing and cooling.

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