In Fire Extinguishers, What Chemicals Are Used? What Is Their Purpose?

In Fire Extinguishers, What Chemicals Are Used? What Is Their Purpose? preventivefire-delraybeach.blogspot.com/2022/06/in-fire-extinguishers-what-chemicals.html

Different chemicals will be used in different applications and it’s important to figure out which one is most appropriate when needed. This can help avoid any accidents like causing serious damage - for example, if someone started a fire with an extinguisher agent without taking the time to read instructions or warnings properly! These extinguishers are often sold in hardware stores; a popular example of this being water. Another one could be fluorocarbons, which can be either liquid or gas. And finally, the actual dispersant might be a vapor or even another liquid like alcohol. It’s important to know that international agreement meant that production of all halons was stopped in 1994 because of what they do to the ozone layer.

There are many different fire extinguishers that can be put into offices, houses and other structures to keep them safe. They are reliable, affordable and safe for most people although some may find it tricky to use these devices. Extinguishers contain water which can cause problems where space is too restricted or weight is a factor (e.g. in aircraft).

Conversely, they may not be efficient when working in places like fuel storage tanks or computer rooms as the building could suffer from serious water damage!

These situations call for a fire extinguisher Delray uses alternatives such as flooding the protected areas with a fire-fighting agent (e.g., carbon dioxide or halon 1301). CO is a good choice, but it can be fatal in the right concentrations to effectively fight fires.

However, it cannot be used around people. Bromotrifluoromethane (CF3Br, or halon 1301) is a close cousin of halon 1211, but has a much lower boiling point and toxic level– properties that have made halon 1301 startup businesses the fire fighting chemical of choice for applications where sprinklers cannot be used.

Government and industry researchers have all been working hard to find suitable substitutes for halon 1211 or halon 13.01 after the phaseout. None of the alternatives thus far have proven to be as effective at extinguishing fires, nor do they possess all of the positive qualities of either halon substance. It's because the bromine and chlorine atom found in each Halon molecule - those very atoms that can pose a threat to stratospheric

1/2

ozone - are just too aggressive in their mission to capture free hydrogen atoms that otherwise would start uncontrolled chain reactions when grouped together with other hydrogen atoms. As a result, these bromine and chloride atoms are released as a byproduct when these halons become hot during active burning incidents.

Manufacturers have created new chemical families that contain no chlorine or bromine and are known as hydrofluorocarbons (HFCs). These chemicals have similar physical properties to the halons and can not disrupt the combustion reaction in the same way as Br or Cl atoms. HFCs can extinguish fires similarly to CO and N – by absorbing heat, and reducing the oxygen concentration. Many companies market HFCs such as C2HF5, C3HF7, CHF3 for various applications.

There is still a need to find the replacement of halon, like Iron and Phosphorous containing compounds and hydrofluorocarbons with the ability to inhibit flames.

Researchers are actively pursuing diverse materials–including those identified above such as an inert gas mixture that is released by a solid propellant (either liquid or solid). This approach is similar to those used in air bags for cars.

2/2