How is Glass Made?

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Glass is such a thing that is used everywhere like home, office, restaurant or school etc. There is glass in the windows in the house. Glass is used in big buildings. The windshield of vehicles also has glass in the form of glass, but have you ever wondered how this glass or glass, which is usually seen almost everywhere, is made? What is the science behind making this? Let’s know its science.

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Glass is a transparent or translucent inorganic solid material, which is hard and brittle. Glass is not affected by natural elements like water, sand or dust, soil etc. Glass has been made since ancient times with practical and decorative purposes. Even today it is very useful for many different applications such as household goods, telecommunications, building construction etc. Due to the useful properties of glass, it is used the most in homes. Apart from being transparent, it is also cheap to make. Glass is chemically inert, so when an object is placed in a glass jar, the jar does not react with it in any way. Apart from being useful, glass can also be recycled again and again.

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history of glass

If seen, the history of glass is about 3600 years old. Glass originated from Mesopotamia. The first objects to be made in the form of glass were pearls in the middle of 2000 BC. It may initially be a by-product made accidentally during metalworking. According to estimates, the introduction of glass in India may have started in 1730 BC.

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This is how glass is made

You may be surprised to know that glass is made from liquid sand. Yes, you read it absolutely right. Ordinary sand is composed mostly of silicon dioxide. When it is heated to very high temperatures, it melts and turns into a liquid. To melt this sand, a high temperature of about 1700 degrees Celsius is needed. When sand is heated to such a high temperature, its internal structure completely changes. That is why on cooling it takes a different form. Sand is melted at a temperature of 1700 °C to make glass. After that this molten sand is poured into the mould. Finally, the glass is obtained by cooling the liquid sand cast in the mold.

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