美利体育登录入口官网:DIN EN 1624:1999 纺织品和纺织制品.工业和技术纺织品的燃烧特性.测定垂直试样火焰蔓延的方法
Textiles and textile products - Burning behaviour of industrial and technical textiles - Procedure to determine the flame spread of vertically oriented specimens; German version EN 1624:1999