Lower Flammability Limit — Mixture

Lower Flammability Limit — Mixture

CH-06
ASPCSPAdvanced

Formula
1/LFLmix = f₁/LFL₁ + f₂/LFL₂ + ... fn/LFLn
When to Use

Determine the LFL of a mixture of flammable gases using Le Chatelier's Rule.

Symbol Legend
SymbolMeaningUnitNote
LFLmixLower Flammability Limit of the mixture% by volume
f₁...nFraction of each chemical in the mixturedecimal
LFL₁...nLFL of each individual chemical% by volume

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