Is hydrogen safe?
Hydrogen, like all other fuels, is flammable like natural gas and petrol. Therefore, it must be handled safely. The concrete properties of hydrogen are:
- Low ignition energy;
- Flammable in a wide range: 4-75% (compared to gasoline: 1,3% - 7,1%);
- Very light, 14x lighter than air, allowing easy evacuation of the gas;
- Very low energy density at atmospheric pressure.
The main safety measures taken for hydrogen equipment are for high pressure. All components are tested and certified with a very high safety margin. At atmospheric pressure and temperature, the fuel is a lot safer than other fuels like gasoline, LPG or natural gas.
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