3 weeks ago •
How is Glass made?
Believe it or not, Glass is made from liquid sand. You can make glass by heating ordinary sand (which is mostly made of silicon dioxide) until it melts and turns into a liquid. You won't find that happening on your local beach: sand melts at the incredibly high temperature of 1700°C (3090°F).
Production of Glass in modern times has not change much since it was discovered in ancient areas of Persia and Egypt - sand (which consists of silica, soda ash and lime) is heated to extreme temperatures, and then is allowed to cool down and be shaped into almost any form by either blowing or pouring in pre-designed molds. This extremely easy process can also be enriched with additives, which can provide glass with every color or opacity imaginable, improve quality, durability and other properties. Even though this process can sound simple, it requires much precision because to create perfect glass container of window you need to carefully maintain temperatures at every point of the manufacturing cycle.
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