LEL of Combustible Gas

General Gas Education

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

Example of combustion

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