Gases - Explosive and Flammability Concentration Limits
Article about flame and explosion limits for gases - propane, methane, butane, acetylene, etc. The Flammable Range (Explosive Range) is the range of a concentration of a gas or vapor that will burn (or explode) if an ignition source is introduced.
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Flammable Limits 1965
32sec video about lecture on flammability limits. A material's flammable or explosive limits also relate to its fire and explosion hazards. These limits give the range between the lowest and highest concentrations of vapor in air that will burn or explode.
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Flammable Range Demonstration 1947 Chemistry of Fire US War Department
54sec video about the demonstration of flammable range. The range of combustible vapor or gas-air mixtures between the upper and lower flammable limits is known as the "flammable range" (or "explosive range").
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Lower and Upper Explosive Limits for Flammable Gases and (LEL/UEL)
1-page document that provides the range of the explosive limits of different flammable gases and vapors.
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Flammability limit
Article about the flammability limits. It give the proportion of combustible gases in a mixture, between which limits this mixture is flammable. Gas mixtures consisting of combustible, oxidizing, and inert gases are only flammable under certain conditions. The lower flammable limit (LFL) describes the leanest mixture that still sustains a flame, i.e. the mixture with the smallest fraction of combustible gas, while the upper flammable limit (UFL) gives the richest flammable mixture.
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