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Low-emission GLass

A window is a quadrangular opening in a wall that allows light, air and sound to pass through, provided the window is not closed or sealed. Windows are usually glazed (made of glass) or constructed using an appropriate transparent or translucent material.

Low-E Coated Glass in Window Technology

Low-E coating stands for Low-emittance coating on a solid surface. It is an extremely thin, nearly invisible film of metal or metal oxide layers deposited on a window or skylight. Its primary function is to reduce U-factor by restricting radiative heat flow. The key methodology by which heat is transferred in multilayer glazing is thermal radiation from a warm sheet of glass to a cooler sheet. Covering a glass surface with a low-emittance element and placing that coating into the gap between the layers of glass impedes this radiant heat transfer significantly, thus reducing the overall flow of heat through the window.

Benefits of Low-E Glass

Low-E technology is over two decades old in the glass market. Although its benefits have been duly acknowledged, glass with low-e coating is rarely used in construction. There are several priceless advantages and cost savings that can be achieved by using low-e glass.

During the severe energy crisis the world faced during the 1970s, everyone endeavoured to minimize consumption of natural resources. In case of glass, energy was lost by way of heat loss through the glazed surface. In 1980, the commercial development of thin, transparent, low emissive coatings literally revolutionized the concept of energy savings in windows. The low-e coating, placed on the inside of the insulating glass unit, enabled the sun^s short-wave energy to enter the room and at the same time prevented internal warm air from leaving the room.
 

 
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Glass Knowledge Bank
Tempered Glass
Heat Strengthened Glass
Laminated Glass
Insulated Glass
Ceramic Printed Glass
Heat Soaked Glass
Fire Resistant Glass
Low-emission GLass
Reflective glass
Disc process
Glass History
Float Glass Production
Bullet Proof Glass
Self-Cleaning Glass
Body-tinted Glass
Etched Glass
Acid-Etched Glass
Low-emission GLass
Enamelled Glass
Photovoltaic Glass
Sandblasted Glass
Bent Glass
Smart Glass
Tiffany Glass
Crown Glass
Wired Glass
Green Buildings
Electrochromic Glass
Sustainable Design
Liquid Crystal Glass
Spandrel Glass
Fire Resistant Glass
Ceramic Printed Glass
Electrically Heated Glass
Glass History
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