EN13501建材燃烧性能分级

EN13501-1:2007+A1:2009: Fire classification of construction products and building elements –Part 1: Classification using date form reaction to fire tests. EN13501-1:2007+A1:2009: 建筑产品和部件燃烧性能的分类，根据燃烧试验反应的试验数据进行分类。