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防火板材在建筑工程上施工時需特別注意兩點

  • 2013-03-06 09:51:42
  • 來源:
  • 編輯:中華板材網
  • 2014
  • 6
  • 0

防火板材在建筑工程上施工也有許多技術,其中有兩點應特別注意:

 

  一、固定板材的釘子一定進行除銹處理,或用不銹鋼釘。海外有的直接規定,玻鎂防火板施工所用的釘子必須是不銹鋼釘。因為在玻鎂防火板中存在氯鹽,氯鹽對鐵 的腐蝕世人皆知,中國不少用防火板的工程經一年多就在埋入的釘頭上表面出現銹斑,再經一段時間銹斑就會鼓成包塊。但質環境越潮濕,這個問題暴露的越早,要 避免這個弊病的發生,必須保證釘子不被銹蝕。

 

  二、關于防火板施工的嵌縫材料。用于該產品的嵌縫材料應具有一定的柔性和膨脹性能,以防止板材拉縫。這種嵌縫材料不準配制,成本也不高,就由板材生產廠供貨或提供配方。

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