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Four kinds of commonly used fire extinguishing

Release time:2014-03-12 viewed:0

Four kinds of commonly used fire extinguishing agent can destroy what fire? Effectively destroy the combustion conditions, to prevent burning or termination of the burning material, known as the extinguishing agent. There are four kinds of commonly used fire extinguishing agent.

Water fire extinguishing agent

Relying mainly on cooling and suffocation of fire. The following material fire cannot be put out with water: less dense than water or water insoluble flammable liquid, such as gasoline, kerosene; water burning material, such as metal potassium, sodium, calcium carbide and so on; electrical fire, has not cut off power supply before cannot be put out with water; water after acid, may make the acid splash of wounding; precision instruments the precious documents.

Dry powder fire extinguishing agent

Relying mainly on chemical inhibition and suffocation fire. Dry powder fire extinguishing agent is not suitable for precision instruments of fire.

Foam fire extinguishing agent

Relying mainly on cooling and suffocation of fire. Not suitable for electrical, precision instruments, precious documents of fire.

Carbon dioxide fire extinguishing agent

Relying mainly on asphyxia and cooling effect of fire. Applicable to metal and its oxide and fire, electrical, precision instruments, precious documents of fire.

 

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