| 摘要 |
Electrical cable for high and very high voltages comprising a plurality of conductors (2), at least one semiconductive layer (4), a stratified insulation (5) impregnated with an insulating fluid and an external metal sheath (8), wherein said insulation (5) is constituted by a paper/polypropylene/paper laminate (6), wherein polypropylene has been subjected to a treatment such as to allow said laminate to swell up by less than 5% after immersion in decylbenzene at 100 DEG C for at least 3 days. |
