Examples of the criteria for the mixture of
flammable materials (gas) towards air in such a way that an explosion can occur
are:
Typical concentration of gases in the air
where an explosion can appear (% of gas in air):
|
LEL
|
Explosion
|
UEL
|
|
Methane
|
4,4%
|
→
|
16,5%
|
|
Propane
|
1,7%
|
→
|
10,6%
|
|
Butane
|
1,4%
|
→
|
9,3%
|