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防火玻璃耐火时间最长是多久

更新时间: 2020-10-04 00:00:00     

防火玻璃的耐火极限分5个等级:0.5、1、1、5、2、3小时,在建规和高规中,耐火极限有三个基本要求:完整性、稳定性和隔热性。而按建筑用安全玻璃防火玻璃的规定,建筑用防火玻璃按其耐火性能分为:A类同时满足耐火完整性、耐火隔热性要求的防火玻璃,B类同时满足耐火完整性、热辐射强度要求的防火玻璃,C类满足耐火完整性要求的防火玻璃。

关键词: 防火 玻璃 耐火 时间 多久

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