A、<p><span style=" font-family: 宋体;">封堵完成后,在封堵层两侧电缆上涂刷防火涂料,长度为</span><span style="font-family: \'Microsoft YaHei\'; ">200mm</span><span style=" font-family: 宋体;">,干涂层厚度为</span><span style="font-family: \'Microsoft YaHei\'; ">2mm</span></p>
B、<p><span style=" font-family: 宋体;">孔洞底部应敷设厚度为</span><span style="font-family: \'Microsoft YaHei\'; ">50mm</span><span style=" font-family: 宋体;">的矿棉板,孔隙口及电缆周围应填塞矿棉,并应采用膨胀型防火密封胶进行密实封堵</span></p>
C、<p><span style=" font-family: 宋体;">固定矿棉板、矿棉板与楼板之间应采用弹性防火密封胶封边,防火封堵系统与电缆之间应采用膨胀型防火密封胶封堵,密封胶厚度突出防火封堵系统面应不小于</span><span style="font-family: \'Microsoft YaHei\'; ">13mm</span></p>
D、<p><span style="font-size: 14px; font-family: 宋体;">电气柜孔应采用矿棉板加膨胀型防火堵料组合的防火封堵,先根据需封堵孔洞的大小估算出密度为</span><span style="font-size: 14px; font-family: \'Times New Roman\', serif;">160kg/m3</span><span style="font-size: 14px; font-family: 宋体;">以上的矿棉板使用量,并根据电缆数量裁出适当大小的孔</span></p>
A、<p><span style=" font-family: 宋体;">封堵完成后,在封堵层两侧电缆上涂刷防火涂料,长度为</span><span style="font-family: 'Microsoft YaHei'; ">200mm</span><span style=" font-family: 宋体;">,干涂层厚度为</span><span style="font-family: 'Microsoft YaHei'; ">2mm</span></p>
B、<p><span style=" font-family: 宋体;">孔洞底部应敷设厚度为</span><span style="font-family: 'Microsoft YaHei'; ">50mm</span><span style=" font-family: 宋体;">的矿棉板,孔隙口及电缆周围应填塞矿棉,并应采用膨胀型防火密封胶进行密实封堵</span></p>
C、<p><span style=" font-family: 宋体;">固定矿棉板、矿棉板与楼板之间应采用弹性防火密封胶封边,防火封堵系统与电缆之间应采用膨胀型防火密封胶封堵,密封胶厚度突出防火封堵系统面应不小于</span><span style="font-family: 'Microsoft YaHei'; ">13mm</span></p>
D、<p><span style="font-size: 14px; font-family: 宋体;">电气柜孔应采用矿棉板加膨胀型防火堵料组合的防火封堵,先根据需封堵孔洞的大小估算出密度为</span><span style="font-size: 14px; font-family: 'Times New Roman', serif;">160kg/m3</span><span style="font-size: 14px; font-family: 宋体;">以上的矿棉板使用量,并根据电缆数量裁出适当大小的孔</span></p>