British Announce New Magnesium Agent

British Announce New Magnesium Agent

The Joint Fire Research Organization of the Department of Scientific and Industrial Research and Fire Offices’ Committee has announced a new dry powder extinguishing agent for magnesium fires.

The material is essentially powdered polyvinyl chloride mixed with equal portions of sodium borate and 1 to 2 percent of suitable flow additives. Applied to the surface of the molten magnesium, it forms a coating over the burning material. A fine water spray is then employed to cool the metal to extinction.

Said to be cheap to produce and at least as effective as other agents developed for the purpose, it can be used from standard dry powder extinguishers.

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