The glass travels through a high-heat tempering oven and is heated to approximately 1200 °f. Quenching. After it has been sufficiently heated, the glass is then quenched—or cooled down. The quenching procedure is very fast, and consists of several nozzles blasting the glass with cool air for several seconds.
How Is Tempered Glass Made?
Tempered glass is a type of safety glass that is processed by controlled thermal or chemical treatments that increase its strength and improve its resistance to breakage. It is also known as toughened glass, which is typically four to five times stronger than regular glass. Tempered glass is commonly used in applications where strength and safety are important such as in windows, shower doors, and table tops.
The process of making tempered glass begins with the cutting and grinding of the raw glass material. The glass is cut to the desired size and then ground to remove sharp edges. Once the cutting and grinding is complete, the glass is shaped and molded into the desired shape.
The next step in the process is to heat the glass to a very high temperature. The heat is applied to the entire surface of the glass to make it malleable and easier to work with. The glass is then cooled quickly by being plunged into a liquid that is at a temperature much lower than the glass. This quick cooling process is called quenching and it causes the outer surface of the glass to become much stronger than the inner core. The glass is now tempered and ready to be used in applications where strength and safety are important.
The tempering process can also be
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