Static charge causes explosion in box truck - video

[Jon]

1:05 video. Explosion at 0:51. What do we have here? Foam offgassing?



Previously:

Dump truck hydraulic explosion - GIF
NHRA Funny Car engine explosion
Sand mold casting explosion - GIF
Steel mill wet charge explosion - video
Combustible wood dust explosion safety video

[JTG]

You can actually see the spark around 0:48. Those look like rolls of expanded polystyrene/polypropylene foam insulation, and if so, I would bet that this is igniting the off-gassing isobutane/pentane that was used as the blowing agent. They should have let them completely off gas somewhere with proper ventilation, but who has time for that?

[Hans Pearson]

I would guess that it was thin synthetic cloth that created the charge and is also highly inflammable