[Rebelbase]

“Arkema has not been characterizing the combustions as explosions, calling it “an overpressurization that was followed by a fire,” Carr said.”

[fidelis]

“Arkema has not been characterizing the combustions as explosions, calling it “an overpressurization that was followed by a fire,” Carr said.”"

Technically correct. The difference between an explosion and an overpressure is basically the rate or speed of the sudden expansion. However, as a mechanism for ruining your day if you are in proximity, an overpressure will do the job.