TECHNOLOGY | WIRE & CABLE
Report to expose global cable trends
Compounding World publisher AMI sees higher technical requirements and new legislation driving develop- ments in plastics for cables for the future, with the continuing trend to halogen-free formulations favouring polyolefin-based solutions. According to consultant Cristina de
Santos, who is currently working on AMI Consulting’s first global report on the cables market (Polymeric Materials in the Global Cable Industry 2012 to 2023), power and HFFR will be the key growth sectors in cable materials for the short term. While PVC com- pounds currently hold something like a 60% market share of the global market, this is falling in percentage terms. However, overall market growth means PVC volumes remain more or less the same.
Santos also cites the impact of the
PVC is losing global market share to polyolefins, but volumes are holding up
EU CPR regulation on the cable sector. “CPR has proven to be a controversial topic,” she says. “The regulation has been intended to make the European industry more competi- tive by lowering barriers to market entry across its member countries. However, smaller players believe it is likely to benefit larger players. Also,
Account and Innovation Marketing Manager, Polymer Modifiers, EMEA at Addivant. Speaking at the Cables 2018 conference
organised by AMI in Cologne, Germany, in March, Moody said that producers of MV and HV peroxide crosslinked polyethylene insulated cables have the choice of either ready-to-use XLPE compounds (normally the preserve of large compounders who are backwardly integrated into LDPE) or producing the XLPE in-situ themselves using DPI. “In both cases the XLPE must contain a suitable antioxidant package as well as the organic peroxide,” he said. “Our new liquid antioxidant solution can be used in both of these processes.”
due to the need to provide test results for each product family, this regula- tion is likely to skew production towards larger families of products.” De Santos says many in the market see the CPR as one step towards a much needed homogenisation within the European market. “CPR is only the very first step, as regulations setting up the minimum performance levels required by law in each end-use appli- cation are still different in each European country,” she says. “How- ever, this regulation has already had a significant impact on material selec- tion within the cable industry.” The study Polymeric Materials in the Global Cable Industry 2012 to 2023 will be published in September of this year. For more information contact Cristina de Santos. Email:
cristina.desantos@
ami.international.
Moody described two laboratory studies carried
out by Addivant. In the first, an LDPE base resin was kept constant and the effect of using different antioxidants commonly used in MV and HV XLPE insulation compounds was investigated together with Lowinox Fast XL. In the second, the LDPE base resin was varied and only Lowinox Fast XL was used. “The laboratory data indicates that Lowinox Fast
XL performs just as well as the existing solid antioxidants currently used in MV and HV XLPE compounds in all the tests,” Moody said. “Assess- ment in different LDPE base resins has demonstrat- ed that Lowinox Fast XL can be used with the most important LDPE base resins available in the market place as a straight forward replacement of the currently used liquid antioxidants.”
Figure 2: Variation of XLPE peroxide cross linking efficiency with storage time for premixed blends with Addivant’s Lowinox Fast XL liquid antioxidant
26 COMPOUNDING WORLD | May 2018 Source: Addivant
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