These monuments show us that people in the past were already experimenting with glassmaking. One notable personality among those innovators was Jabir ibn Hayyan, a Persian chemist who experimented extensively with glass staining.
As a result, mass production of window glass was not possible. Window glass making is now largely automated and the cost has come down significantly over the past century. There are two major types of window glass that differ based on their underlying manufacturing process.
Manufacturers use these glasses as the foundation to create different varieties of glass panels. Annealing is the process where you let the glass cool down slowly after it is set and transferred from the molten tin base. The gradual cooling in a controlled environment removes the internal stresses within the glass, making it less prone to cracking from mechanical shocks or temperature changes. Tempered glass is made by cooling the flat sides of the glass using air blast.
The blast increases the cooling rate of the outside surface of the glass in comparison with the inside. The process produces a compressive force on the outer surface of the glass, which is balanced by the tensile forces developed within the glass. The result is a glass panel 4 to 5 times stronger than annealed glass. Tempered glass is also safer. In an event when the glass shatters, it breaks into small square-like fragments rather than long sharp pieces.
Glass has appealed to us for thousands of years, and it continues to attract us today. While this magical material was once expensive to produce and own, we have now mastered the art of glass making and have made leaps in engineering new types of glasses.
Get a Free Estimate. Choosing the right glass for your windows will save you money on energy costs. Find the answers to all your Low-E window glass questions in this post. View Post. This article will review the differences between tempered glass and laminated glass. In North Texas, double-pane windows offer the most value compared to single-pane or even triple-pane windows. Read on to learn more. Based on your zip code, we do not currently service your area.
Please subscribe to receive helpful info on home improvements. Glass is all around us nowadays and continues to offer cutting edge solutions , either in itself or used in combination with other materials for high-tech applications; a trend which is very likely to continue in the future. Glass industries are characterised by a multitude of production processes depending on the final product manufactured and its end-applications. However, all these manufacturing processes have a common origin: glass first needs to be melted!
Glass melting requires raw materials which are of two kinds: different types of sand and recycled glass. The molten glass is then taken out of the furnace to be shaped and cooled down afterwards.
For many applications the glass obtained may be further processed to have specific properties such as increased mechanic strength and higher resistance to breakage.
The exact composition of glass may vary to meet specific applications requirements but the most commonly use type of glass, soda-lime glass, is made of silica sand, soda ash, limestone, dolomite and glass cullets recycled glass. Its shape at the exit is like a solid ribbon. Coating for reflective glass Thereafter, if one is producing reflective glass surfaces that help in keeping indoors cooler, then coating procedures are followed in which either a hard coat or a soft coat is applied on the surface of the cooled ribbon at high temperatures.
Annealing Next, in order to remove the internal stresses built up in glass, a process called annealing is done. This process allows the glass ribbon to pass through a layer which eliminates any stresses on the glass surface and gradually cools it to give it its final hardened form.
This makes it easier to cut the glass and shape it accordingly. Inspecting Through acute and advanced inspection technology, more than a million inspections can be made throughout the glass manufacturing procedure to identify air bubbles, stresses or grains of sand that refuse to melt.
This is essential in quality-proofing the final form of glass.
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