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How Is A Windshield/Windscreen Made

How Is A Windshield/Windscreen Made

Windscreens were used in vehicles since a very long time, but it was until the early 1900s when windscreens were made using safety glass is order to increase driver protection. However, these windscreens shattered very easily, whenever the vehicle made an impact these windscreens would shatter and would cause a lot of injuries. To overcome this problem manufacturers tried a new system in mid 1900s and called it laminated windshields, it is the system that is used till this day. The windscreens that are used today comprise of two laminated sheets of glass, in the center of these sheets there is plastic coating that holds the whole thing together. This makes the glass more strong and does not let it break easily after a minor impact. However, when the glass does break the pieces stick to the plastic coating and do not scatter over the passengers, this makes the glass safer. Manufacturing Process The manufacturing process of windscreens and windshields is pretty much the same as normal glass. Raw materials like silica, op4_3312_web1soda ash and limestone are heated at about 1700oC until they become liquid. The molten mixture is then spread on molten metal like till which allows the glass to float over it, the molten mixture then spreads out and becomes flat. After the removal of impurities the molten glass enters a special furnace where the temperature is slowly reduced. If the glass is cooled to quickly then the strength is effected, therefore this step needs its time.

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