Not all fires are equal – some chemicals are more efficient at putting out certain types of fires
Where combustible substances vary in your office or workplace, so should the contents of your fire extinguishers. Knowing fire extinguisher colour codes are important to safety and wellbeing. It can be the difference between completely putting out a fire or causing further damage to property and possible harm to people. You can locate the colour code of your fire extinguisher on the band around the cylinder. The different colour codes are as follows: No Band Contents: Water How it works: Commonly known as Stored Pressure Water, water extinguishers are excellent at putting out normal fires caused by wood, paper and fabric. Being common distilled water, they won’t leave behind any chemical residue. Suitable for:
Carbon Dioxide How it works: A CO2 extinguisher offers great protection against flammable liquids and electrical fires. They’re mainly found in electrical switchboards server rooms and areas with sensitive electrical appliances installed. Carbon Dioxide is not only a highly effective chemical for fighting fires, but it’s also a clean agent and doesn’t leave behind a mess. Suitable for:
Foam How it works: A Foam fire extinguisher emanates a film that rapidly suffocates the fire’s oxygen supply, knocking down its flames. They offer exceptional protection against oils, petrol and other flammable liquid based fires. Suitable for:
Dry Powder How it works: Dry Powder ABE fire extinguishers provide excellent protection against paper, wood, oils and electrical fires. This wide range of industrial and commercial applications make them notably versatile in different usage situations – from residential to commercial, caravans, boats and large machinery. Suitable for:
Wet Chemical How it works: Intended to extinguish fires on kitchen ranges caused by fats, cooking oils, butter and lard, Wet Chemical fire extinguishers store a fluid extinguishing agent that becomes soapy when released. This liquid seals the surface of the flame, prevents re-ignition and quickly returns your kitchen to safety. Suitable for:
From https://fireextinguishersnz.co.nz/fire-extinguisher-band-colours-what-do-they-mean/
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