Urban public transportation is not only a city's public infrastructure, but also an essential tool for people's production and life. With the acceleration of the urbanization process and the formation of "urban society", the number of urban population has surged, and the urban population is highly dense, resulting in the long-term overload of urban public transportation, especially in the rush hour of commuting in the main urban area, "crowding" public transportation It has been considered a normal phenomenon in life.

    Due to the densely populated space in the bus, once a fire breaks out in the carriage, it is extremely difficult for people to rescue themselves and escape. If a bus fires, it will often bring huge casualties and economic and property losses. In the event of a bus fire, can perfluorohexanone cope with the 10-second survival test? let us wait and see.