Flammable range definition
Flammable range means the range of concentration, in air, of flammable contaminant in which explosion may occur on ignition;
Flammable range means the range between the minimum and maximum concentrations of vapor in air which form a flammable mixture.
Flammable range means the range of flammable gas or vapour (% by volume in air) in which explosion can occur upon ignition. Expressed by lower explosive limit (LEL) and upper explosive limit (UEL).