Monoammonium phosphate, ABC Dry Chemical, ABC Powder, tri-class, or multi-purpose dry chemical is a dry chemical extinguishing agent used on class A, class B, and class C fires. It uses a specially fluidized and siliconized monoammonium phosphate powder.[1] ABC dry chemical is usually a mix of monoammonium phosphate and ammonium sulfate, the former being the active component. The mix between the two agents is usually 40–60%, 60–40%, or 90–10% depending on local standards worldwide. The USGS uses a similar mixture, called Phos Chek G75F.[2]
suppressant used to extinguish flammable liquid fires such as fuel fires.
AFFF is often used in shipboard and shore facility fire suppression systems, fire fighting vehicles, and at fire training facilities. AFFF is purchased as a concentrate, typically referred to as “3%” or “6%” (Type 3 or Type 6, respectively) depending on its mixture ratio with water
The HCFC-123 fire extinguisher is a non-toxic, non-corrosive, and non-conductor of electricity. It is highly recommended for all indoor fires such as offices, computer rooms, electronic rooms, which includes a five (5) year warranty for Brand New extinguishants, and three (3) years for refilling.
Due to this combination of unique properties, halon fire extinguishers (OH) are widely used to protect computer and communication rooms, in museums, laboratories, electronic and aviation industries, as well as on ships, aircraft, tanks and other special and military equipment, and are also used in offices, homes, .
Co2 (Carbon Dioxide) fire extinguishers are ideal for fires involving delicate electrical equipment and Class B liquid fires. They do not work by cooling the fire and therefore not recommended for controlling Class A fires involving solids.
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