Upper Flammable Limit (UFL) definition

Upper Flammable Limit (UFL) means the highest concentration of a Flammable substance in which Combustion can propagate in the presence of an Oxidant.
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Related to Upper Flammable Limit (UFL)

  • Lower explosive limit (LEL) means the concentration of a compound in air below which a flame will not propagate if the mixture is ignited.

  • Flammable liquid means any liquid that has a flash point of seventy degrees Fahrenheit, or less, as determined by a tagliabue or equivalent closed cup test device.

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