Most flat glass is soda lime glass produced by the float glass process 1950s.
How do they make glass sheets.
Butter or line a baking sheet with baker s silicon paper.
Stir continuously until the sugar melts takes a while.
If you have a candy thermometer remove from heat at the hard crack stage clear glass.
Machine drawn cylinder sheet method early 20th century.
The acetate sheets are brought from a cool storage area to the blanking room where they are heated in small ovens to about 180 f 68 c to soften the plastic.
Making sheets of glass window glass stained glass has been a preoccupation of glassblowers down through the centuries.
Pour the sugar into a small pan on a stove over low heat.
Other processes for making flat glass include.
The cylinders were 6 to 8 feet 180 to 240 cm long and 10 to 14 inches 25 to 36 cm in diameter limiting the width that panes of glass could be cut and resulting in windows.
As seen on discovery channel s some assembly required.
The soft sheets are fitted into a blanking machine and under several tons of pressure the die cuts through the plastic to produce a blank.
Larger sheets of glass were made by blowing large cylinders which were cut open and flattened then cut into panes.
Until the 16th century window glass or other flat glass was generally cut from large discs or rondels of crown glass.
Place the sheet in the refrigerator to chill.
Most window glass in the early 19th century was made using the cylinder method.
How glass in made.