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轻钢龙骨石膏板是什么耐火等级

更新时间: 2021-04-27 15:17:41     

A级。安装在钢龙骨上的纸面石膏板,可作为A级装修材料使用。轻钢龙骨石膏板隔墙防火等级是A级防火材料,CaSo4.2H2O是石膏分子结构式,含有20%的水分,结晶水和游离水,当火焰燃烧表面10%的水分慢慢蒸发,还有10%的结晶水。本身就是A级防火材料。其具有重量轻,施工速度快,造价低等特点,且内部填充隔音岩棉时还具备隔音的效果,一般用于厨房及卫生间、消毒间等贴瓷砖的墙体。

关键词: 龙骨 石膏 什么 耐火 等级

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