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News

Borstar, the new process from innovative Borealis

Borealis A/S : 21 June, 2000  (New Product)
Borealis, one of the leading suppliers of polyethylene to the wire and cable industry, has developed a special HDPE-compound for jacketing fibre optical cables. Produced by the proprietary Borstar process, the black jacketing compound HE6067 has extremely low shrink-back properties compared to traditional compounds. Utilising the flexible Borstar process, the compound is designed with a bimodular molecular weight distribution that improves relaxation/shrinkage behaviour while still maintaining excellent environmental stress crack resistance. Low shrinkage and good dimensional stability are essential requirements for optical cables as even the slightest mechanical deformation of the fibre can adversely affect the attenuation and transmission properties.
Borealis, one of the leading suppliers of polyethylene to the wire and cable industry, has developed a special HDPE-compound for jacketing fibre optical cables. Produced by the proprietary Borstar process, the black jacketing compound HE6067 has extremely low shrink-back properties compared to traditional compounds. Utilising the flexible Borstar process, the compound is designed with a bimodular molecular weight distribution that improves relaxation/shrinkage behaviour while still maintaining excellent environmental stress crack resistance. Low shrinkage and good dimensional stability are essential requirements for optical cables as even the slightest mechanical deformation of the fibre can adversely affect the attenuation and transmission properties.

HE6062 is another Borstar jacketing product with higher molecular weight targeting heavier power cables where it is now successively introduced as replacement for PVC. Advantages are seen in better mechani cal properties ensuring integrity and longer service-life of the cable.
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