UL 1479： Fire Tests of Through-Penetration Firestops
UL 1479： 贯穿件防火封堵试验方法
UL 1479贯穿件防火封堵试验方法 – 适用范围
本标准涵盖旨在用于耐火墙，地板、天花板组件或两者中的开口处的各种材料和结构的贯穿式消防站。
本标准规定的贯穿式防火挡块的测试方法包括将测试样品暴露于标准时间和温度的火焰下以及施加软管流的情况。
These requirements cover through-penetration firestops of various materials and construction that are intended for use in openings in fire resistive wall or floor-ceiling assemblies, or both.
The method of testing through-penetration firestops as specified by these requirements consists of exposure of test samples to a fire of standard time and temperature and to an application of a hose stream.