Co-extruded electric conductor cable in three insulating layers of low humidity absorption electric method low smoke and toxic gas emission flame retardant
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United States of America Patent
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Jun 15, 1999
Grant Date -
N/A
app pub date -
Jan 30, 1997
filing date -
Aug 9, 1996
priority date (Note) -
Expired
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Abstract
A coextruded triple layer electric conductor for cable insulation having low humidity absorption, low emission of toxic gases, low smoke emission and high flame retardance comprising a first layer comprising polyvinyl chloride as a base over an electric conductor core, a second layer over first layer, comprising high density polyelthylene optionally modified with an ethylene copolymer, and a third layer over said second layer comprising polyvinyl chloride as a base.
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