Also called dry chemical extinguishers they certainly were initially full of sodium bicarbonate or potassium bicarbonate, also developed for liquid fires between burning petroleum, gas, solvents etc. Fires involving flammable gases.
Today ABC powder extinguishers would be typically the most common multi-purpose powder fire extinguisher and may be applied to class A fires. They’re full of mono-ammonium phosphate powder.
Whilst they are able to very satisfactorily and safely applied to electric fires, in addition, it leaves a residue which may lead to damage to electrical equipment. Whether an electric fire breaks out and also a CO2 extinguisher can be found, it needs to be utilized alternatively.
Wet chemical sprays have been introduced especially for this particular fire hazard and so are widely utilized in kitchens and food processing places. Apart from this, ‘install fire extinguisher cabinets’ (Which is also known as “ติดตั้งตู้ดับเพลิง” in the Thai language) of the best quality from cakinter.co.th.
Powder fire extinguishers have little if any cooling effect, therefore, re-ignition is just a threat. Their main drawback may be that the mess that the powder residue leaves.
Even though exceptionally versatile, powder fire extinguishers aren’t really a catchall solution. Significantly they’re not effective on cooking oil and fat fires.
Automatic Powder Fire Extinguishers
Automated fire extinguishers are located in areas which can be now unmanned. They are going to instantly react every time a fire causes the temperatures to attain a specific level.
Small ABC dry powder automated fire extinguishers are designed to resist ship, engine and vehicle fires. Ordinarily, once the temperature reaches 7-9 °C the extinguisher automatically sparks and smothers the flame.