MATERIALS | WIRE AND CABLE
Engineered Materials (HEM) completed the previously announced acquisition of the 50% share in the Magnifin Magnesiaprodukte joint venture, located at Breitenau in Austria, held by former partner RHI Magnesita. Established in 1990, Magnifin manufactures
Above: EV charging cables introduce a new set of cable performance requirements
additions include EVA-based products with an enhanced balance of properties and highly flexible TPE-based grades with improved oil and sunlight resistance. All four grades carry UL 94 V-0 ratings and meet the UL 2885 standard for individual limits of less than 1,000ppm of fluorine, chlorine, bromine and iodine.
Power sheathing The EVA-based Halguard 58240 and 58242 grades are claimed to provide high levels of flame retardance, resistance to heat shock and heat deformation, and ease of processing. The company says the compounds are suitable for sheathing power cables that comply with the UL 1685-FT4/ IEEE 1202 standard for vertical tray cables and the UL 1666 standard for riser cables. They are also said to be suitable for use in fibre optic data cables and for transit infrastructure applications such as tunnels. The TPE-based Halguard E 59001 and E 59002
Right: Teknor Apex has extended its Halguard LS HFFR polyolefin cable
compound portfolio
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grades comply with UL 62 and UL 758 standards for flexible cord and appliance wire, respectively. Halguard E 59001 retains 80% of its tensile strength and 90% of its elongation at break after immersion in IRM 902 oil for seven days at 60°C. Halguard E 59002 retains 90% of its tensile strength and 95% of its elongation at break after 720h of accelerated weather testing. “The Halguard LS-HFFR product line
provides properties to meet a wide range of applications,” says David Braun, Wire and Cable Industry Manager for the Teknor Apex Vinyl Division. “The growing list of grades with ‘halogen-free’ assessments by UL further expands options for customers.” At the beginning of this year, Huber
COMPOUNDING WORLD | May 2022
premium coated and uncoated magnesium hydroxide (MDH) functional filler products. These are suitable for use as halogen-free fire retardants in a range of polymer applications, but particularly for thermoplastics and elastomers requiring processing temperatures in excess of 300°C, where alumina trihydrate (ATH) is not suitable due to its thermal sensitivity. In the cable sector, MDH grades can provide fire retardant properties for energy cables, data cables, and for automotive wiring. Magnifin grades are sold globally by Mar- tinswerk as part of the HEM Fire Retardant Addi- tives business, which operates four production sites in North America and two in Europe and is a leading producer of fine precipitated alumina trihydrate and magnesium hydroxide halogen-free fire retardants, as well as smoke suppressants and specialty aluminum oxides. The company says the decision to take 100%
control of Magnifin is in line with HEM’s strategy of owning and operating specialty chemical and mineral companies with market leading positions. “This step forward demonstrates our commitment towards our customers to support their growth and our clear strategy to grow our halogen-free fire retardant and specialty material business globally,” says Victor Dean, General Manager of HEM’s Fire Retardant Additives business unit.
Indian investments Last year’s acquisition of a majority stake in Indian compounder Shakun Polymers further strength- ened Orbia group company Alphagary’s position in the global wire and cable market. Shakun is a leading supplier of compounds to the cable industry across India, the Mid- dle East, South East Asia and Africa. It
operates three manufacturing loca- tions and has a total installed capacity of more than 25,000 tonnes. The company supplies PVC, PVC/TPE, PE and HFFR PE compounds for application in power distribution, building, telecom, data and automotive. According to Alphagary, India’s wire and cable market is poised for signifi- cant growth in the years ahead with infrastructure investment and imple-
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IMAGE: TEKNOR APEX
IMAGE: TEKNOR APEX
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