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Tempered

Tempered glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempering puts the outer surfaces into compression and the inner surfaces into tension. Such stresses cause the glass, when broken, to crumble into small granular chunks instead of splintering into jagged shards as plate glass (aka: annealed glass) creates. The granular chunks are less likely to cause injury.

Heat Strengthened

Heat-strengthened glass is glass that has been heat treated to induce surface compression, but not to the extent of causing it to “dice” on breaking in the manner of tempered glass. On breaking, heat-strengthened glass breaks into sharp pieces that are typically somewhat smaller than those found on breaking annealed glass, and is intermediate in strength between annealed and toughened glasses.

Heat Soaked

Heat soaking involves heating the Toughened Safety Glass to 290°C for a given period of time, then slowly cooling it. This process accelerates the expansion of nickel sulfide stones, and at this temperature, glass panels with nickel sulfide stones are likely to shatter.
The purpose of heat soaking is to reduce the incidence of Toughened Safety Glass breaking spontaneously after installation. While the Heat Soak process does not guarantee there will be no spontaneous breakage after glazing, it is a safeguard for specifying glass in areas where safety from glass fallout is a concern and/or access for replacement is difficult.

Laminated

Laminated glass is a type of safety glass that holds together when shattered. In the event of breaking, it is held in place by an interlayer, typically of polyvinyl butyral (PVB), between its two or more layers of glass. The interlayer keeps the layers of glass bonded even when broken, and its high strength prevents the glass from breaking up into large sharp pieces. This produces a characteristic “spider web” cracking pattern when the impact is not enough to completely pierce the glass.

Double Glazing

Double-glazed windows are usually made from pre-fabricated glass panels. Although this is a good design to reduce the cost and complexity of manufacture, there are drawbacks. For example, if a double-glazed window is broken, replacing it may be very difficult and expensive due to custom sizes, discontinued models, and companies going out of business.

Sandblasting

When you meed to evenly etch or obscure the entire piece of glass or mirror, sandblasting is the only way to go. There are two types of sandblast. Both allow adjustment of the air flow from the compressor.
1. The SIPON blaster booth lets gravity feed the abrasive into the sandblast gun.
2. The PRESSURE BLASTER puts the sand under controllable pressure to enable you to control the speed at which the sand is blasted from the nozzle of the blasting gun making it easier to etch faster and deeper into the glass with less psi required.

Ceramic Frit

A frit is a ceramic composition that has been fused in a special fusing oven, quenched to form a glass, and granulated. Frits form an important part of the batches used in compounding enamels and ceramic glazes; the purpose of this pre-fusion is to render any soluble and/or toxic components insoluble by causing them to combine with silica and other added oxides. However, not all glass that is fused and quenched in water is frit, as this method of cooling down very hot glass is also widely used in glass manufacture.

Painting Glass

Glass Painting is a traditional process used since the Middle Ages to enable leadlighters to create detail such as is encountered, for instance, in hands and faces

Because the art got it start in the windows of churches and cathedral, in a time where the only available were very vivid (cobal blue, copper red, silver yellow), and where the painted needed to be seen from a distance, it was mostly expressed through the usage of coarse lines of tracing black. .