Glass is comprises of mainly silica that is found from sand.
glass is used in various applications as doors, windows, conservatories, bottle, and vision glass.
These glasses when used in windows (double glazing window) can act as energy exchanger and can reduce the efficiency. To increase the efficiency of the room, the energy exchange should be measured either from window frames or glass.
Pilkington K
glass has a special coating on the inner
glass surfaces facing the air gap...
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