Cables contribute substantially to fire propagation in case of fire. By means of treating cables this fire propagation can be avoided without any evident negative influence on the transport of heat from the inside of the cable to its environment. Successful tests have been carried out according to fire propagation standard IEC 66332-3
When, in case of fire, cables are heated they slowly lose their capacity to conduct a current. During a fire certain processes could be halted and/or lost whereas it may be of vital importance that they are continued.
Successful tests have been carried out according to IEC 66331-21, indicating that circuit integrity without any negative effects on the power supply in a fire situation.
When cables are conducted through a fire-wall they could undo the fire-resistant value of this wall or, as a result of the unwanted aperture, could cause the fire to spread relatively easily.
It is therefore necessary that the required fire resistance of the fire wall is restored. This can be done in a variety of ways by means of Fire Stopping Materials.
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