The utility model relates to a piece of transparent fire-retardant glass, which is composed of double-layerglass and aerogel arranged in the double-layerglass.
一种透明防火玻璃,它是由双层玻璃及夹在其中的气凝胶所构成。
2
The walls contain polystyrene and fiberglass thermal insulation and are sealed externally with white glass. The internal surface is a doublelayer of plasterboard.