Flammable Limit
The range of concentrations of a flammable vapor or gas in the air within which combustion can occur if an ignition source is present. The lower and upper flammable limits (LFL and UFL) define this range.
The range of concentrations of a flammable vapor or gas in the air within which combustion can occur if an ignition source is present. The lower and upper flammable limits (LFL and UFL) define this range.