How does glass chemical tempering work?

How does glass chemical temperingglass chemical tempering work?

Glass is a fragile material, prone to breakage, cracking and shattering. To increase its durability and strength, glass chemical tempering technology is introduced. .

The process of chemical tempering involves immersing pre-cut glass into a bath of hot sodium or potassium salt. The glass is heated to approximately 400°C, at which point the ions of the salt diffuse into the surface of the glass. The heated glass then undergoes a rapid cooling process using jets of cold air, causing the inside of the glass to cool faster than the outside.

This method of chemical tempering creates a balance between the compressive and tensile forces within the glass, resulting in the glass being more durable and stronger. The compressive forces on the surface create a kind of protection, preventing the glass from breaking or cracking easily, while the tensile forces in the core of the glass allow it to continue functioning despite any minor surface damage.

The benefits of glass chemical tempering are numerous. It increases the resistance of the glass to scratching, cracking, and shattering under high-impact situations, which makes it an ideal option for use in a wide range of industrial and household applications. It also reduces the risk of injury from shattered glass fragments, which is particularly important for applications such as car windscreens or shopfront windows.

In summary, the process of glass chemical tempering involves immersing glass in hot salt to create compressive and tensile forces within the glass, resulting in increased strength, durability, and safety. Its impact can already be seen in various applications, such as protective screens for mobile phones and other gadgets, crash-resistant automobile windscreens, shop front windows, and other structural materials. The use of glass in architectural designs and modern furniture pieces designed with the technology of chemical tempering is gaining popularity due to its superior safety and durability.

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