Thermally tempered glass (ESG) is made of annealed glass. It can have sharpened, sanded, polished edges, with holes or recesses, as well as have heat control, or solar control coating. During the thermal treatment process, it is heated to a temperature of 620-650 °C and quickly cooled by compressed air. Huge internal stresses are formed in the glass, which makes tempered glass safer. If such glass breaks, it breaks into a large number of small pieces, thus reducing the likelihood of injury. Mechanical strength increases 5-6 times compared to annealed glass. The thermal resistance during operation does not change to the temperature of 250 °C. It is divided into two safety classes (EN12600):1(C)2 and 1(C)1.
Heat-strengthened glass (HST - Heat Soak Test) is made of thermally tempered glass. Thermally tempered glass is capable of spontaneous breaking/self-explosion due to the presence of inserts (particles) of nickel sulphide (NiS). The NiS particle is a rare, but naturally occurring insert during the manufacturing process of annealed glass, which, even after several years of operation of tempered glass, can cause spontaneous explosion. We recommend that in all situations where the self-breaking of thermally toughened glass may pose a risk to the structural stability and safety of people, to carry out a heat soak test (HST) for this glass. During this test, over 99 % of thermally tempered glass with NIS inserts is removed, but this test cannot eliminate 100 % of the glass at risk. During the test, the thermally tempered glass is placed in a heating chamber where it is heated to 290 °C and kept for at least 2 hours. During the keeping, the NiS particles expand and cause spontaneous breakage of thermally tempered glass.
Laminated glass (VSG) is produced by insetting a lamination film between two or more sheets of glass, which during the breakage prevents the glass slivers from falling off, thus providing protection against injury caused by glass slivers. It can be made of annealed, heat-insulating, solar conductivity-controlling, thermally tempered (ESG), tempered (TVG) glass, by combining various types of glass with each other. According to its structure and the amount of lamination films, it is divided into two safety classes (EN12600): 2(B)2 and 1(B)1. Due to its strength, can be used as antivandal protection.Bulletproof/explosion-proof panes of glass. The layers of this glass effectively distribute the force of the bullet by spreading it evenly over the entire surface of the glass and, depending on the class of resistance, can withhold a shot or explosion. Glass is generally divided into BR_- S (S = splintering) fragments that leave on the inside and BR-NS (NS = Non-splintering) that does not leave fragments on the inside, ER-S (S = splintering) and (NS = Non-splintering), explosion-resistant ER-S (S=splintering) and (NS= Non-splintering) class panes of glass. Fireproof insulated glass units with bullet-proof glass may also be available.
Usually, solar energy control panes of glass are used in the production of insulated glass units, but according to the need of the customer, we can also supply single only engraved glass or with processed edges. Possible glass processing methods:
Possible thermal treatment:
Multifunctional solar control glass is equipped with perishable coating and can only be used for the production of insulated glass units. Their coating should be oriented towards the inside of the insulated glass unit. In order to protect the coating of this glass as much as possible, we will pack it sealed up. The sealed glass must be transported in closed vehicles and used in the production of insulated glass units within two days from our delivery.
Thermal energy control panes of glass is used only for the production of insulated glass units, but according to the need of the customer, we can also supply single only engraved glass or with processed edges. Possible glass processing methods:
Possible thermal treatment:
These glasses have perishable coatings and their coating must be oriented towards the inside of the insulated glass unit. To maximize the protection of this glass coating, we will seal it. The sealed glass must be transported in closed vehicles and used in the production of insulated glass units within two days from our delivery.
Class E fireproof glass. Designed to protect against direct exposure to the fire by retaining flames, smoke and other combustion products for a certain period of time, but this glass does not prevent the spread of heat.
Class EW fireproof glass is made by coating class E panes of glass with a special thermal emissivity reflecting coating or by laminating two panes of glass with a special thermal emissivity absorbing gel and partially limiting the spread of heat.
Class EI fireproof glass is a multi-layered glass, where the gaps between panes of glass are filled with a special heat-absorbing gel. These panes of glass retain flame, smoke, other combustion products and are heat-tight. The temperature on the glass side opposite the fire must not exceed 140 ° C for a specified period of time. When the heat of the fire reaches a certain degree and the tempered glass breaks, the fireproof gel between the panes of glass begins to work by absorbing energy, which becomes opaque when exposed to temperature, thus creating a reliable barrier to the spread of the fire.
Hardened glass (TVG) can be with sharpened, sanded and polished edges, with holes or recesses, as well as have heat control or solar energy control coatings. During the heat treatment process, it is heated to 620-650 °C and according to a special program, is slowly cooled by means of compressed air. The internal stresses that make the tempered glass twice stronger than the annealed glass are formed in the glass. The thermal resistance during operation does not change up to 200 °C. It is NOT A SAFE glass because it breaks down into big glass fragments. It is commonly used in the manufacture of laminated glass.
Patterned glass - the glass, where the relief is formed on it's surface during the manufacturing process by extracting various patterns and colours. In the manufacture of insulated glass units, the uneven side is usually located in the inner part of the insulated glass unit. Patterned glass can be matte, semi-transparent or fully transparent.
MAT glass (Acid etched) – the glass with an opaque surface, treated with acid or using a matte film.
Tinted (darkened) glass - recommended to use only as a single glass inside the interior or in outdoor gazebos.
Painted glass - produced by heating at high temperatures by injecting paint into the surface of the glass. Enamelled glass are painted in one colour, and the use of silk-screen printing allows the glass to be painted in a selected pattern.
Glass with the mirror surface – glass that, like a mirror, reflect objects. The mirrored surface is manifested from the side where there is more light.
Glass with holes can be used for facades, partitions, frameless glass structures. Holes are drilled and recesses are milled in transparent, tinted glass and solid-coated glass.
Two types of holes are drilled:
The recesses are milled in the glass:
- standarg glass doors,
- other recesses of fittings.
UAB “Bodesa” cuts various panes of glass (safe, transparent, with and without coating). The edges of the glass are blunted, sanded or polished. Transparent, tinted, and glass with various coatings are tempered.