The carbon dioxide, combined with the insulating properties of the foam, effectively smothers the fire. Once the baking soda hits the flames it begins to decompose and release carbon dioxide.
This powder can be made from numerous extinguishing agents, including: Dry Chemicalsĭry chemical extinguishers are composed of powder made from small particulates that transform into foam once sprayed. Since CO2 is heavier than oxygen, it can displace the air around the burning fuel and effectively put out the flame.Ĭarbon dioxide extinguishers are commonly used in places like offices because they are safe to use around costly electronic equipment and leave no residue behind. In these models, carbon dioxide is stored as a liquid and expands to form a gas once it hits the atmosphere. Carbon DioxideĬarbon dioxide extinguishers are also a popular choice for commercial spaces. The water may exacerbate these fires, so it’s best to use an extinguisher filled with another material in these cases. However, water extinguishers cannot be used to put out electrical fires or those that involve inflammable liquids. Models that contain water are extremely useful for putting out fires fueled by wood, paper or even cardboard. Water is one of the most effective extinguishing materials, making it a popular choice for fire extinguishers. For this reason, fire extinguishers are effective only when used on small, contained fires. This suppressant is intensely pressurized to ensure it can reach the flames when sprayed. There are a few main fire-suppressant materials that can make up your fire extinguisher, including:įire extinguishers generally contain a small amount of fire-suppressant material. The type of materials used inside your fire extinguisher depends on the type of extinguisher you own. And find out what makes them such an important tool. Read on to learn more about the insides of your fire extinguisher.
Fire extinguisher inside how to#
While you may be familiar with how to use your fire extinguisher, what’s inside this tool may be more of a mystery to you. When it comes to fire safety tools, fire extinguishers are one of the most widely used and are required in all U.S. Whether you’re a property manager or a business owner, it pays to know as much about fire safety as you can. What’s Inside a Fire Extinguisher: Your Questions Answered
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