重庆防火门厂家甲级乙级消防门钢质工程定制可安装包验收-「防火门」-马可波罗网

甲级钢质防火门的耐火时间为不小于1.5小时，甲级防火门的内部一般采用的珍珠岩，少量的也会采用蛭石防火板、发泡门芯板、MC符合材料等等防火材料，甲级防火门的厚度一般为50mm乙级钢质防火门的耐火时间不低于1.0小时，其中防火门上使用的五金配件也必须采用防火五金配件。通常这种等级的防火门一般用于家装的进户门丙级钢质防火门的耐火时间不低于0.5小时。丙级防火门使用的配件必须经过防火处理，满足规定的耐火极限 <img src="//img12.makepolo.cn/images/formals/img/focus/251/723/4_eb5b4153772bc95462cd73a8f70a5ff1.png" data-ke-src="//img12.makepolo.cn/images/formals/img/focus/251/723/4_eb5b4153772bc95462cd73a8f70a5ff1.png" alt=""><img src="//img12.makepolo.cn/images/formals/img/focus/962/855/4_9062611714f4970c0599d8722ff1e1d5.jpg" data-ke-src="//img12.makepolo.cn/images/formals/img/focus/962/855/4_9062611714f4970c0599d8722ff1e1d5.jpg" alt=""><img src="//img12.makepolo.cn/images/formals/img/focus/296/994/4_89e01f3a318fa2a08cb101b8634be6c0.jpg" data-ke-src="//img12.makepolo.cn/images/formals/img/focus/296/994/4_89e01f3a318fa2a08cb101b8634be6c0.jpg" alt=""><img src="//img12.makepolo.cn/images/formals/img/focus/101/67/4_94d5a06b1f50bc97804ff51a63221493.jpg" data-ke-src="//img12.makepolo.cn/images/formals/img/focus/101/67/4_94d5a06b1f50bc97804ff51a63221493.jpg" alt=""><img src="//img12.makepolo.cn/images/formals/img/focus/871/820/4_650f0b0420d8df6ab2f3f9de9d4a4f2b.jpg" data-ke-src="//img12.makepolo.cn/images/formals/img/focus/871/820/4_650f0b0420d8df6ab2f3f9de9d4a4f2b.jpg" alt=""><img src="//img12.makepolo.cn/images/formals/img/focus/20/702/4_001450de32443321cf60bf0a121bd67d.gif" data-ke-src="//img12.makepolo.cn/images/formals/img/focus/20/702/4_001450de32443321cf60bf0a121bd67d.gif" alt=""><img src="//img12.makepolo.cn/images/formals/img/focus/881/187/4_4da92bb3a5b52850d0a88629003297a2.jpg" data-ke-src="//img12.makepolo.cn/images/formals/img/focus/881/187/4_4da92bb3a5b52850d0a88629003297a2.jpg" alt="">

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