ASTM E1321测定材料点燃及火焰扩张性能的试验方法
日期:2012-02-08 11:56
nition ( ˙qo,ig, Tig) and for lateral spread ( ˙qo,s, Ts,min), an effective material thermal inertia value (kc), and a flame-heating parameter () pertinent to lateral flame spread.
1.3 The results of this test method are potentially useful to predict the time to ignition, t ig, and the velocity, V, of lateral flame spread on a vertical surface under a specified external flux without forced lateral airflow. Use the equations in Appendix X1 that govern the ignition and flame-spread processes an
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