What is a tempered glass: the features of production, processing and application

In the design of the interior of premises and facades of buildings, glass has found the widest application. Without it, it is impossible to imagine any window structure, and the manufacture of transparent furniture has long been a promising business. However, along with the positive qualities, there are drawbacks: when broken, shards with sharp edges are formed, which can cause an accident. To prevent such situations, use a tempered glass (stalinite), which, if damaged, breaks up into many fine particles.

Production

The manufacturing process is almost identical to the standard technology. By heat treatment of a mixture of sand and quartz to a viscous state, a transparent mass is formed, which is shaped by rolling by the rolling method.

After this, a procedure for multiple hardening is necessary to change the physical properties of the products. The professional manufacture of hot glass is done by heating the surface to 700 ° C, and then blown by cold air flows in order to cool down more quickly. As a result of this action, a compressive stress appears on the surface of the glass, which is the reason for increasing the resistance to mechanical influences. However, when the load is increased, the entire surface of the product is rapidly destroyed - it splits into many fine fragments with non-sharp edges.

Before installing the glass, you should carefully read its physical parameters.

Properties

With respect to the manufacturing technology, the tempered glass acquires unique performance characteristics. They are expressed in increased safety of use and almost complete elimination of accidents - cuts and injuries.

In addition, it is worth noting an increase in strength compared to conventional glass. The maximum load on the surface can be about 300 kg per 1 m². Essential temperature differences also do not affect the properties of the product. But hot glass has some disadvantages:

• After manufacturing, surface treatment is virtually impossible. Cutting hot glass can only be done with the help of special equipment - a diamond disk with constant water cooling.
• High cost in comparison with standard products.
• Increase in specific weight.

The unique properties of hot glass make it possible to use it in many spheres of life.

Machining and cutting

The change in the structure of hot glass directly affects the procedures for its processing. This refers to changing the configuration of the product, drilling holes, etc. To make the glass the right shape, it is best to do all the work before the quenching procedure.

But this is not always possible - in some cases it is necessary to trim already finished product. If there is a special processing machine, the procedure for changing the configuration will not be complicated. It is enough to specify a specific cutting program. Handling glass by hand is very problematic. But in some cases it works out. It should be noted immediately that with the help of a conventional glass cutter, products with a maximum thickness of 5 mm are processed. To partially remove the tension, the surface of the tempered glass is wiped with a "White Spirit" solvent. Then, in one motion, it is necessary to make a cut along which a break occurs. Efforts for the department are attached small, and in no case can not tap on the glass.

Glazing

Due to its unique properties, tempered glass can be used in many areas: from installation in window constructions and finishing with the manufacture of elite furniture. Its strength and security became the main factors of such popularity.

But the main purpose of tempered glass is still the manufacture of transparent structures for the facades of buildings. To create a panoramic view, large sizes of structures are used. Since the weakest point of the tempered glass is its butt, precautions should be taken before installing it in the window frame. In the future, the design successfully withstands large wind loads and mechanical impact.

Differences

In appearance, it is almost impossible to distinguish a salted product from an ordinary one. The result is revealed only when broken, or when the question arises, how to cut hot glass? This is necessary to select the optimal technology for changing the configuration. If the usual glass try to cut on a machine with a diamond disc, then as a result, it can damage it, break it.

There are several ways to identify the difference:

• A special device for determining the brand of glass. It is used in manufactures.
• A different sound with a slight tapping. The salty surface resonates the waves in low tonality. The sound is deaf.
• If you look through polarized lenses, then on the surface of the tempered glass you can see small contours of the grid.

But the most optimal way is to use a point device. Its cost is relatively high, but it will quickly cover possible damage in production, resulting from the processing of the wrong product.