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Electric cable with a low-conductivity layer - has a barrier layer between this and the outer plastics sheath
Electric cable with a low-conductivity layer - has a barrier layer between this and the outer plastics sheath
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机译:具有低电导率层的电缆-在该层和外部塑料护套之间具有阻挡层
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摘要
A high voltage cable (for =20kV) with several conductors, a low conductivity layer contg. C black in an elastomeric or plastomeric plastics mtl. and an outer layer of metal wires covered with a plastics sheath, has a barrier layer around the low conductivity layer, consisting of a foil with a polyester, polyamide or polypropylene base to prevent permeation from the low conductivity layer and consequent discolouration of the outer sheath.
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