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Download the Lower Explosive Limits (LEL) of Combustible Gases

The following are the lower explosive limits (LEL) of selected gases

Acetone 

2.5% vol

Hexane 

1.1% vol

Acetylene 

2.5% vol

Hydrogen 

4.0% vol

Ammonia 

15.0% vol

Isopropyl Alcohol (Isopropanol)

2.0% vol

Benzene 

1.2% vol

Methane 

5.0% vol

Butane 

1.9% vol

Methyl Alcohol (Methanol) 

6.0% vol

Butyl Alcohol (Butanol)

1.4% vol

Methyl Ethyl Ketone

1.4% vol

Carbon Monoxide

12.5% vol

nPentane

1.4% vol

Diethyl Ether

1.9% vol

Propane

2.1% vol

Ethane

3.0% vol

Propylene

 2.0% vol

Ethyl Alcohol (Ethanol) - 

3.3% vol

Styrene

0.9% vol

Ethylene

2.7% vol

Toluene

1.1% vol

Ethylene Oxide

2.7% vol

Xylene

 1.1% vol

formula to calculate lower explosive limit of combustible gasesbar graph showing lower and upper explosive limits of methane