Flammability Aspects

Demeon® D or Dimethyl ether is an extremely flammable liquified has, the vapour is heavier than air. DME forms with air (oxygen) explosive mixtures.

Relative Gas Density (air = 1)1.59
Gas–Liquid Volume Ratio

326

Stoichiometric Concentration6.53 vol%
Auto Ignition Temperature350 °C
Minimum Ignition Energy0.29 mJ
Upper explosion limit18.6 vol%
Lower Explosion Limit3.2 vol%
Maximum Laminar Burning Velocity0.54 m/sec