| 摘要 |
<p>The cable, which has increased resistivity to fire progagation and/or the cable being able to operate during fire, consisting of a core (7), formed by at least one conductor (3), where the outer surface of said core (7) can be wrapped around by a foil (5), said cable core (7) being envelopped by a sheath (6). The space inside the sheath (6), envelopping the core (7) with at least one conductor (3) being formed by a central portion (1) and insulation (2), is filled with filling composition (4) in a form of a granulated material composed of 60 to 62 mass per cent of SiO2, 29 to 31 mass per cent of MgO, 1.25 mass per cent of A12O3, at most 1.0 mass per cent of Fe2O3 and of trace elements such as Zn, Ti, Ba and Zr in a form of oxides, the amount of which is at most 1 mass per cent.</p> |
