Product Description
LOW-e glass
Low-emissivity glass (Low-E) is a tinted or clear glass, which 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.
Production
On-line coated (pyrolitic process)
This is a clear or tinted glass which has been coated with a metal oxide through pyrolysis when the glass leaves the tin bath (at 650°C). 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)
This is a clear or tinted glass which has been coated on one of its faces, with a metal coating produced of either Titanium, Silver , or Copper applied by magnetically-enhanced cathodic sputtering. The process is somewhat similar to the electroplating process. The coatings are softer than the Pyrolitic coatings but may with some care be used as monolithic (single) panels in glazing with Titanium or Silver coatings, but are required to be produced as insulating glass, with the coating on an internal face of two panels held together as a sealed unit. This type of product can be supplied as toughened or laminated, and insulating double glazed panels The glass panels produced by the Magnetron sputtering process usually have higher performance characteristics than those produced by the pyrolitic process.
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