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News

Borealis new high speed XLPE increases productivity by 25%

Borealis A/S : 21 June, 2000  (New Product)
Borealis, one of the leading suppliers of crosslinkable polyethylene for power cables and well know in the field of extra high voltage applications, has developed a modified type of XLPE insulation with considerably improved crosslinking speed. Production speed improvements in excess of 25% have been recorded. The new compound offers higher reactivity and response to peroxide crosslinking at temperatures experienced in the vulcanisation tube without increasing the sensitivity to scorch in the extruder. The invention is built on a proprietary high pressure polyethylene resin.
Borealis, one of the leading suppliers of crosslinkable polyethylene for power cables and well know in the field of extra high voltage applications, has developed a modified type of XLPE insulation with considerably improved crosslinking speed. Production speed improvements in excess of 25% have been recorded. The new compound offers higher reactivity and response to peroxide crosslinking at temperatures experienced in the vulcanisation tube without increasing the sensitivity to scorch in the extruder. The invention is built on a proprietary high pressure polyethylene resin.

Earlier methods of improving crosslinking speed usually increased the risk of scorch in the extruder to the extent that output could not be increased. The product is, therefore, ideal for use in situations when cable extrusion speed is a limiting factor, e.g. in situations of extremely high order income, or keeping up with market demands before investment in a new production line. More details of the development can be obtained from Borealis.
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