Learn How Fire Extinguishers Are Classified According To The Chemical Components
Depending on the type of fire, several types of chemicals are being used in fire extinguishers to put out fire. It is the first step of defense people normally take in case of fire. Extinguishers are also called life-saving devices since if used properly; it could save our life and property. Before using any type of device, it is necessary that you should read the instruction manual which is usually pasted on the upper portion. Now you have several portable models which is easy and simple to use. Some type of chemicals used in the devices to stop fire, may not be suitable for putting off the fire caused by electrical break and some others are not efficient in stopping fire caused by flammable liquids. It is better to buy CO2 fire extinguisher which can effectively reduce the flames caused by combustion of things. It is necessary for you to select the device which carries a certification label for putting off fire. It is in practice to give ratings for the equipments which puts off fire such as A, B and C. When fire breaks out from combustible things like paper, wood and other plastic materials, it is customary to use Class A equipment to put off fire. In case fire is caused by inflammable liquids like petrol, kerosene, grease and other gases Class B devices are used. Class C types of extinguishers are used to put off fire caused by electrical short circuits. However, there are powerful extinguishers which can put off fire caused by any source.
Home extinguishers are small to medium in size and you have to mount the device on the wall by using a mounting bracket. Various types of chemicals are used in the extinguisher for preventing the spread of fire. Water is kept under high pressure which can ably put off fire due to combustible substances. These tanks contain water which is pressurized and sometimes they use oxygen which is kept under pressure in the device. Remember you should not use water for putting off the fire caused by electrical breakage. It would do more harm than good if you use water to stop fire on such occasion. CO2 fire extinguisher is highly recommended to put off fire caused by inflammable liquids and dry substances.
In shopping complex, they use chemicals such as pressurized nitrogen in the extinguisher. These are effective in putting off fire caused by inflammable liquid and electrical short-circuit. Certain chemicals like sodium bicarbonate, ammonium phosphate are used in fire extinguisher to stop fire damage.
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