UL 263：建筑結構和材料的防火測試標準(同ASTM E 119)
UL 263：Standard for Fire Tests of Building Construction and Materials
Abstract 摘要
These fire tests are applicable to assemblies of masonry units and to composite assemblies of structural materials for buildings, including
bearing and other walls and partitions, columns, girders, beams, slabs, and composite slab and beam assemblies for floors and roofs. They are also applicable to other assemblies and structural units that constitute permanent integral parts of a finished building.
bearing and other walls and partitions, columns, girders, beams, slabs, and composite slab and beam assemblies for floors and roofs. They are also applicable to other assemblies and structural units that constitute permanent integral parts of a finished building.
