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A combustible delay barrier for providing a delay to intrusion into an object. The delay barrier comprises a combustible layer containing a source of fuel such as a metal and/or a polymer and a source of oxygen such as an oxidizer. The combustible layer of the delay barrier is ignitable at a tempera

A combustible delay barrier for providing a delay to intrusion into an object. The delay barrier comprises a combustible layer containing a source of fuel such as a metal and/or a polymer and a source of oxygen such as an oxidizer. The combustible layer of the delay barrier is ignitable at a temperature in excess of about 300°C., during combustion is resistant to the effects of common fire extingushing materials, and is capable of sustaining combustion with a burn rate of no more than about six inches per minute.

대표청구항

A delay barrier comprising a combustible layer containing a mixture of fuel and oxidizer, a polymeric layer encompassing said combustible layer, and at least one metal layer disposed adjacent to a surface of the polymeric layer not in contact with the combustible layer.

A delay barrier comprising a combustible layer containing a mixture of fuel and oxidizer, a polymeric layer encompassing said combustible layer, and at least one metal layer disposed adjacent to a surface of the polymeric layer not in contact with the combustible layer.