The inflation system – Sodium azide (NaN3) reacts with potassium nitrate (KNO3) to produce nitrogen gas which inflates the airbag. The gas bursts from its storage site faster than the blink of an eye! A second later, the gas dissipates through tiny holes in the airbag giving you room to move.
Can you be killed by an airbag?
Airbags exert a lot of force, so it is possible to be hurt by one. Sitting too close to a deploying airbag can result in burns and injuries. ... The people most at risk of death from airbag deployment are children and small adults because their bodies can't take the force.
At what speed are airbags useless?
Frontal airbags are generally designed to deploy in "moderate to severe" frontal or near-frontal crashes, which are defined as crashes that are equivalent to hitting a solid, fixed barrier at 8 to 14 mph or higher. (This would be equivalent to striking a parked car of similar size at about 16 to 28 mph or higher.)
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