Special glass
Special Glass with thermal control (low-E)
Low - emissivity glass represents the ideal solution for thermal insulation. The coating upon the glass surface, which may be a metal oxide deposited layer, by pirolize (hard coated) or a magnetronic coating (soft coated), which impeds the penetration of long wavelength radiations (heat) providing thus an optimized thermal confort both in winter (by a lesser warmth loss amount) and also in summer ( inside penetrating heat, is at a very low rate)
This type of glass combines in an ideal manner thermal insulation with the visible light transmittance level.The most usual low-E layer support is clear glass, but nowadays becomes more and more employed, the support of coloured, reflective or safety – duplex glass.When assembled in the insulating glass unit, the low-E glass sheet is positioned with the metal layer on the 3-rd face, being thus possible to be utilised in the most diverse applications (greenhouses, curtain walls, apartments etc.).
High perfomance in thermal insulating, is defined by the Ug heat transfer ratio, and the smaller the value of this coefficient is, the higher is the efficiency obtained in this domain.
Special glass with solar and thermal control and reflective glass
The glass with solar and thermal control and also reflective glass are obtained by means of a metal oxides coating, on the surface of the glass, creating in this manner a very resistent and stable coating layer. The nature of this coating layer, combined with the basic glass, determines the luminescence and reflective level, none the less the solar control properties of the glass, as well as the colour. There is also available, a large variety of colours (bronze, grey, green, clear, blue as well as nuances of these colours).
Assembled in double insulating glass units, these glasses are displaying multifunctionality, combining the solar control functions with thermal, acoustic insulation, fire resistance, in relationship to the second glass pane type (clear float, lowE, security,with acoustical attenuation, or resistant to fire). In the case of reflective glass the positioning of the reflective layer, in the double insulating glass unit, may be on the outside (prevailing beeing the mirror effect and the image continuity) or on the inside
(reflection is lower, glass colour is emphasized and the coating layer is better protected).
Owing to the mirror effect, reflective double insulating glass is really spectacular when employed in curtain walls (normal,semistructural, structural) in office buildings, comercial, educational and industrial buildings as also in residencial buildings.
Tinted special glass
This type of glass is obtained by incorporating metal oxides into clear float glass.Tinted glass is available in a relatively large range of colors (bronze, grey, green, blue and their nuances), with thicknesses between 4 and 10 mm. It’s role is light control and anti UV protection, the properties lying in a close link to color and thickness.
Double insulating glass units are usually executed out of a coloured glass sheet and the second sheet being clear float, lowE or security glass . This type of double insulating glasing is destined both to exteriors (facades, retail storefronts, windows) where a personalised look has to be added to buildings and to interior partition walls.
PVB interlayer laminated glass
Is produced in sealed high pressure autoclaves, by bonding two glass panes with the help of plasticized (polyvinyl butyral resin-PVB) interlayers. The interlayer is generally 0,38 mm thick, or a multiple of this value. To symbolise laminated glass there are used two figures : the first represents the thickness of the glass panes (for ex. 6 is meaning two glass sheets, each being 3 mm thick) , and the second figure represents the PVB interlayer thickness (for ex.: 1 – interlayer of 0,38 mm ; 2 – interlayer of 0,76 mm ; 3 – interlayer of 1,14 mm ; 4 – interlayer of 1,52 mm). We obtain laminated glass thicknesses ranging from 6.1 on to 12.4.
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