Plenum cable which includes halogenated and non-halogenated plastic materials
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United States of America Patent
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Nov 13, 1990
Grant Date -
N/A
app pub date -
Apr 25, 1989
filing date -
Apr 25, 1989
priority date (Note) -
Expired
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Abstract
A plenum cable (20) includes a core (22) comprising at least one transmission medium such as a metallic conductor. The metallic conductor is insulated with a layer (27) of a plastic composition of material which includes a non-halogenated constituent such as, for example, a polyetherimide. Covering the insulated metallic conductor is a jacket (39) comprising a halogenated material such as a fluoropolymer. The cable exhibits excellent flame retardant properties as well as acceptable levels of corrosion and toxicity.
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