WIRE & CABLE | TECHNOLOGY


Manager, Cables & Polymers at the company, says that while some nanoclay synergists impair compound processability, this is not the case with Apyral AOH EXL 500-17-C.


Automotive offerings Borealis launched new grades of polypropylene for flame retardant cables at Wire 2018. The company’s speciality flame retardant (FR) cable grade portfolio has been extended with two new HFFR polypropylene (PP) solutions for wires capable of withstanding high temperatures. Borealis says that in vehicles, extremely robust FR cables are essential to facilitate an increasing number of functions in a safe manner (on-board entertainment, alternative powertrains, safety functions, and the like). The new FR grades, FR4850 and FR4852, are said to offer benefits such as improved insulation at temperatures over 125°C, as well as protection from wear and tear, temperature, and chemicals over the vehicle’s lifespan. The automotive market is likely to see increased volumes of fluoropolymers as well – especially in applications where failure may not an option – ac- cording to Cy Genna, Regional Product & Market- ing Manager for Teflon products with Chemours in the US. He points out that fluoropolymer materials stand out for their high and low temperature stability, resistance to chemicals and UV radiation, very good fire resistance without the need for additives, and very good dielectrics. Across the market for data cables, the need to transmit more data, faster, often over longer distances, all the time, is boosting the need for higher performance polymers for insulation and jacketing. This is being


Figure 1: Graph showing the synergistic effect of Tolsa’s Adins additive on heat release rate in a fire retardant cable compound containing ATH Source: Delta Tecnic


augmented by the growing use of cables that transmit both power and data.


PVC developments AkzoNobel Specialty Chemicals (currently being sold to The Carlyle Group) recently announced a development that has a direct impact on US producers of PVC polymer and an indirect impact on PVC compounders and processors. It has started supplying the first-ever emulsion-based organic peroxides in the US for the manufacture of PVC. It says these emulsion products are safer alternatives to solvent-based peroxides for making PVC. “Organic peroxides often decompose at very low temperatures, which can lead to combustion


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