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M112 Composition C4 Block Demolition Charge

CHARACTERISTICS: The M112 block demolition charge consists of 1.25-pounds of Composition C4 packed in a Mylar-film container with a pressure-sensitive adhesive tape on one surface. The tape is protected by a peelable paper cover. In blocks of recent manufacture, Composition C4 is white and packed in an olive-drab, Mylar-film container. Relative effectiveness factor is 1.34.

USE: M112 block demolition charge is used primarily for cutting and breaching all types of demolition work. Because of its moldability and high brisance, the charge is ideally suited for cutting irregularly shaped targets such as steel. The adhesive backing allows the charge to be attached to any relatively flat, clean, dry surface that is above freezing point.

ADVANTAGES: The M112 block demolition charge can be cut and molded to fit irregularly shaped targets while being easily attached to the target. The color of the wrapper aids in camouflage.

LIMITATIONS: Odd weight makes calculating charge weights difficult. Adhesive tape will not adhere to wet, dirty, rusty, or frozen surfaces. Composition C4 explosives are poisonous and dangerous if chewed or ingested; their detonation or burning produces poisonous fumes.

STATUS: In production to support peacetime losses. C4 will replace current stocks of TNT, PETN, and Military Dynamite.


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