EN ISO 9239-1：地面覆盖物着火反应－第1部分：用辐射热源测定燃烧性能
日期:2010-05-21 00:00
x. A pilot flame is applied to the hotter end of the specimen. Following ignition, any flame front which develops is noted and a record is made of the progression of the flame front horizontally along the length of the specimen in terms of the time it takes to spread to defined distances.
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