免费看国产黄_日本做aj的视频_又爽又骚无遮挡的网站_精品一级毛片国产_国产一区二区久久精品_日本欧美色图亚洲_影音先锋人妻啪啪av资源网站_黄网站色视频大全在线观看_日本在线中文字幕D√D_成人理伦电影在线观看一区

Method for making composite fireproof glass

2020-11-30 3085

Composite fireproof glass (dry process)


It is composed of two or more layers of glass original sheet and one or more layers of water-soluble inorganic fireproof glue interlayer.


Fire prevention principle: in case of fire, the glass facing the fire will burst quickly after encountering high temperature, and its fireproof rubber interlayer will foam and expand about ten times successively to form a hard milky white foam fireproof rubber plate to block the flame and isolate high temperature and harmful gases. Finished products can be grinded, perforated and cut with changed ruler.

防火玻璃

When applicable to external windows and curtain walls, the design scheme shall consider the combination of fireproof glass and PVB laminated glass. Scope of application: fireproof doors and windows of building rooms, corridors and passages, fireproof partitions and fireproof partition walls in important parts.


Article source: fireproof glass http://hanzhicheng.cn/