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What Gas is in the Airbag?

1 Answers

Grace

07/30/25 6:28am

The airbag in a car is filled with nitrogen, which inflates the airbag within 0.1 seconds. Here is some extended information about airbags: 1. The airbag contains solid sodium azide (NaN3), which rapidly decomposes upon severe impact to generate a large amount of nitrogen gas. 2. The airbag system is a passive safety protection system (see vehicle safety performance). When used in conjunction with seat belts, it provides effective collision protection for occupants. In the event of a car collision, airbags can reduce head injuries by 25% and facial injuries by approximately 80%. 3. The airbag system mainly consists of sensors, a microprocessor, a gas generator, and the airbag. Sensors and the microprocessor are used to determine the severity of the collision and transmit signals. The gas generator, based on the signal, initiates an ignition action, igniting the solid fuel to produce gas that inflates the airbag, causing it to expand rapidly.

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