Page 7 - 2019 Brochure Chinese & Englsih Dora
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中空玻璃
Insulating Glass
中空玻璃(IG)，通常稱為雙層玻璃(或雙層玻璃，以及越來越多的三層玻璃/窗格)，由兩個或 三個玻璃窗玻璃組成，由空氣或隋性氣體空間隔開，以減少部分熱量傳遞，達到節能及減排效果。
Insulating glass (IG), more commonly known as double glazing (or double-pane, and increasingly triple glazing/ pane), consists of two or three glass window panes separated by a vacuum or gas filled space to reduce heat transfer across a part of the building envelope.
