white or blue
The most common type of portable foam extinguishers contains fluorosurfactants. There are other which also contains proteins or compressed air.
1997: before then they (fire extinguishers) were to a different standard; B.S. 5423. and they were different colours for different types of media (stuff inside) Foam, Water, Halon etc. Now they are all Red in colour, with the relevant information displayed on the extinguisher.
one ha swater one has foam stuff
the type that spray foam
water, helium and water vapor.
The standard colour of fire extinguishers in the United Kingdom is a signal red body with another colour banding depending on the kind of fire extinguisher.
Carbon Dioxide is the most common gas in fire extinguishers.
1.Foam 2.H2O 3.carbon dioxide 4.powder
Fire extinguishers commonly contain water under pressure, compressed carbon dioxide, foam, or specialized dry chemicals, depending on the type of fire they are designed to put out.
well the tank that holds the foam is compressed with co2 but what actually makes the foam is the nozzle it acts as an aerator and thus making the liquid into foam ----------------------------------------- Air is the most simple example of gas used in foam fire extinguishers.
Most fire extinguishers discharge in less than 30 seconds if the valve is held open the whole time. Larger extinguishers last longer. Commercial extinguishers might run for several minutes, such as a foam system for filling an aircraft hangar.
aqueous film forming foam (AFFF), if you have one, although CO2 or dry-chemical fire extinguishers are also rated for combustible liquids, such as diesel.