upper explosive limit (UEL)



Highest concentration (percentage) of a gas or vapor in air capable of producing a flash of fire in presence of an ignition source (arch, flame, heat). Concentrations higher than UEL are 'too rich' to burn. Also called upper flammable limit (UFL). See also lower explosive limit.

Use this term in a sentence


Browse by Letter: # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z