GLASS - SOLAR CONTROL - DATA SHEET
The solar factor g (%) is the fraction of incident solar radiation that enters a room and is sent by the glass (transmission + energy re-emission of the glass into the room). This is one of the essential characteristics of the solar control coated glass. A higher value indicates a lower solar protection.
The light transmission coefficient LT (%) - is the percentage of light flux transmitted directly through the glass. A low value indicates a dark glass and consequently a less bright room.
The light transmission coefficient LT (%) - is the percentage of light flux transmitted directly through the glass. A low value indicates a dark glass and consequently a less bright room.
How does it work?
As it is well known, outside the visible component, the solar radiation also includes infrared spectrum radiation (below the visible limit) and ultraviolet radiation (over the visible limit) that can not be detected by the human eye. However, this radiation transmits a large amount of heat. The technological innovations in recent years led to the manufacture of a new type of glass capable of reflecting heat, but allowing the light to pass.
The figure from the right side shows how an incident solar beam, on a glass surface, is divided into three parts: reflection, absorption and transmission.
The solar control is achieved by changing the ratio of these three components, whether it is the radiation in the visible or invisible spectrum.
As it is well known, outside the visible component, the solar radiation also includes infrared spectrum radiation (below the visible limit) and ultraviolet radiation (over the visible limit) that can not be detected by the human eye. However, this radiation transmits a large amount of heat. The technological innovations in recent years led to the manufacture of a new type of glass capable of reflecting heat, but allowing the light to pass.
The figure from the right side shows how an incident solar beam, on a glass surface, is divided into three parts: reflection, absorption and transmission.
The solar control is achieved by changing the ratio of these three components, whether it is the radiation in the visible or invisible spectrum.
