Fire-resistant and water-resistant halogen-free low-voltage cables
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United States of America Patent
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Dec 7, 2004
Grant Date -
Oct 4, 2001
app pub date -
Feb 20, 2001
filing date -
Feb 21, 2000
priority date (Note) -
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Abstract
A fire-resistant and water-resistant low-voltage electrical cable including a conductor and a first internal layer to protect it against water based on a polymer compound containing no halogen, crosslinked or not, and a second layer consisting of a blend of a crystalline propylene homopolymer or copolymer and of a copolymer of ethylene and at least one .alpha.-olefin, optionally with a diene, and of an agent having fire retardant properties, the ratio of the thicknesses of the outer layer and the internal layer being from 1 to 7.
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