Low-Emissity Glass
Reflective Glass
Introduction
|
|
|
Low-Emissity glass (Low-E) is a clear glass; it has a microscopically-thin coating of metal oxide. This allows the sun's heat and light to pass through the glass into the building. At the same time it blocks heat from leaving the room, reducing heat loss considerably.
On-line coated (Pyrolitic Process): this is a clear glass which has been coated with a metal oxide through pyrolysis when the glass leaves the tin bath (at 650 degree). The coating is therefore very resistant to mechanical damage, and this Low-E glass can be cut, tempered or laminated just as normal uncoated glass.
Off-line coated (Magnetron Process): is a clear glass which has received, on one of its faces, a silver coating applied by magnetically-enhanced cathodic sputtering. This type of Low-E must be used exclusively in insulating glass, with the coating on an internal face. It can be tempered and laminated.
Features:
Low-E Glass offers the high transparency, low reflectivity, and good thermal insulating properties designed especially for modern architectural requirements.
Approaches the natural color of glass.
Highly transparent to visible light; will not cause significant glare problems due to high reflectance of visible light.
Allows most sunlight in the visible range to enter without altering its natural color. Provides excellent natural illumination and saves energy by reducing the need for artificial lightning.
Relatively high reflectance of infrared radiation, especially long-wave infrared, thus blocks the entrance of large amounts of heat, and leaves interior comfortably cool.
Low-Emissity glass is suitable for a variety of applications which require high visible light transmittance and enhanced solar performance such as
Commercial Office Buildings
Public Sector Buildings
Hospitals
Factories
Skylights
Windows
Introduction
|
|
|
|
This is an ordinary float glass with a metallic coating to reduce solar heat. This special metallic coating also produces a mirror effect, preventing the subject from seeing through the glass. It is mainly used in faades.
On-line coated (Pyrolitic Process): In this process, semi-conducted metal oxides are directly applied to the glass during the float glass production while the glass is still hot in the annealing lehr. These are hard coatings which are relatively harmful to the environment.
Off-line coated (Magnetron Process): In this process one or more coats of metal oxide are applied under a vacuum to finished glass. The coatings applied by this technique are soft and must be protected against external influences and are therefore used for the interior side of glass panes.
Features:
Aesthetic Design: The mirror effect of Reflective Glass merges well with the surrounding and provides variations in appearance at different time of the day.
Energy Saving: Reflective Glass has excellent solar heat-controlling capability, and it can substantially reduce the interior air-conditioning load.
Privacy: Reflective Glass allows occupants in the interior to view the exterior clearly, while people outside are unable to see in.
Areas Of Usage:
Reflective glass is suitable for a variety of applications which require high visible light transmittance and enhanced solar performance such as
Commercial Office Buildings
Public Sector Buildings
Hospitals
Factories
Skylights
Windows
Thickness :2mm-25mm
Max size:2440mmx3660mm