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You are in: Virtual Consultant > Evaluate Materials > Q3 > Determining material ignition & flame spread properties.

 
Determining material ignition & flame spread properties
 

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ASTM E 1321, known as the LIFT test, determines both ignition temperature and flame spread velocity. A radiant heat source is placed at 75° to the specimen. The ignition specimen is 150mm and is exposed to a uniform heat flux. The ignition times for different quantities of heat flux are determined. The flame spread test uses a (150 x 800 mm) specimen with a graduated heat flux along its length. The specimens are preheated for a time. The flame spread rate on the sample as a function of heat flux is then recorded.

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