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

What are the main materials used for making fireproof glass windows

2019-09-20 1495

The information on the main application of fire-proof glass window manufacturing has high requirements in order to achieve the function of fire prevention. The application requirements of main manufacturing data and relevant accessories are as follows:

1. Galvanized steel plate or stainless steel plate can be used for the steel structure and strip of fireproof glass window hardware.

2. Incombustible materials shall be selected for filling materials inside steel and wood structures.

3. Hardware opening and closing device of fireproof glass window: it must have the function of temperature sensing and releasing window sash.

4. The hardware accessories used for fire-proof glass windows shall be finalized supporting products that have passed the test.


防火玻璃窗

5. The sealing data between the structure and the fireproof glass shall be flame-retardant data, which can play the role of fire prevention and smoke separation in case of fire.

6. The fire-proof glass in the fire-proof glass window hardware can choose the products that do not affect the fire-proof performance of the fire-proof glass window and pass the test. The light transmittance of the glass shall not be less than 75% of the general flat glass with the same number of layers.

7. The window frame structure of fireproof glass window hardware shall be steel structure or wood structure with certain strength to ensure the integrity and stability of components.

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