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Light-to-solar-gain ratio
The ability of glass to permit sunlight to pass without excessive solar heat gain.
Low-conductance spacers
See "Warm edge spacers"
Low-emittance (low-E) coating
Microscopically-thin coating of metal oxide, which allows the sun's heat and light to pass trough the glass into the building. At the same time it blocks heat from leaving the room, reducing heat loss considerably.
Low Emissivity (Low-E) Coatings
Is a microscopically-thin coating of metal oxide. This special coating allows the sun's heat and light to pass trough the glass into the building. At the same time it blocks heat from leaving the room, reducing heat loss considerably.
Low Emissivity Coatings
This special coating allows the sun's heat and light to pass trough the glass into the building. At the same time it blocks heat from leaving the room, reducing heat loss considerably. It can be produced no- or off-line.
Low-e glass
Low-emission 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 trough the glass into the building. At the same time it blocks heat from leaving the room, reducing heat loss considerably.
Laminated glass
Laminated glass is a combination of two or more glass sheets with one or more interlayers of plastic (PVB) or resin. In case of breakage, the interlayer holds the fragments together and continues to provide resistance to the passage of persons or objects.
Liquid crystal glazing
This is laminated glass, with a minimum of two clear or colored sheets of glass and a liquid crystal film, assembled between at least two plastic interlayers. In the OFF state, the liquid crystals are not aligned, which prevents vision, yet allows light to pass through the glass. When is it switched ON, the liquid crystals align, turning the glass transparent and allowing vision through the glass.
Lite of glass
A single piece of glass, regardless of thickness.
Lehr
The annealing chamber on a float glass manufacturing line where the molten glass is subjected to controlled cooling to obtain annealed glass, free from internal stresses, which can then be cut or worked.
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