MATERIALS | ENGINEERING PLASTICS
ides Global Business Unit, said the new material is an advance on the existing Technyl HP, a PA66, showing improvements in heat resistance, flow, and weldability. On the performance ladder, it fits below Technyl Red X, which is a modified PA66. The Technyl Blue range is aimed at cooling
Above: Glow-wire testing a product test piece at Lanxess
Solvay Specialty Polymers has expanded its
portfolio of thermal management solutions with the new Amodel A-89XX series of compounds based on PPA with between 30 and 50% glass fibre reinforcement. The series further expands what Tom Wood, Head of Crystalline Polymers, said is already the industry’s broadest PPA portfolio for thermal management. They are said to offer improved dimensional stability, lower moisture uptake and enhanced chemical resistance, for applications such as thermostat housings, multi- coolant valves, water inlets/outlets and cross overs, and other under-the-hood components. Solvay has also launched Ixef 1524 RD 001, a halogen-free flame retardant (HFFR) and 50% glass fibre reinforced polyarylamide grade that is colour matched to signal orange (RAL 2010), for high- performance electrical vehicle (EV) recharge connectors. Thomas Kohnert, Global Product Manager for Ixef/Kalix/Omnix high-performance polyamides in Solvay’s Specialty Polymers Global Business Unit, said moulders will appreciate the high flowability of the new product, which enables complex designs and walls as thin as 0.5 mm. Solvay Performance Polyamides is set to be
acquired by BASF, but for the moment it continues to innovate on its own. At Fakuma, executives were outlining how the company is following its strategy of developing products for specific applications and temperature requirements, the latest results of which are Technyl Red S and Technyl Blue. These follow on from the introduction at K 2016 of Technyl Red X. Target applications are mostly in automotive engines and powertrain. Technyl Red S is a highly heat-stabilised PA 6,66 blend for such applications as air intake manifolds and charge air coolers on turbo-charged engines, where temperature resistance up to 200°C (or 215°C for up to 1,000 hours) is called for. Gérald Durski, Director of Solvay’s Performance Polyam-
38 INJECTION WORLD | November/December 2017
systems. Materials combine varying levels of high hydrolysis resistance and thermal ageing perfor- mance in presence of aggressive coolants. Durski said they are built on the proven strengths of Solvay’s Technyl 34NG series, with hydrolysis resistance anywhere from 15 to 60% better than standard PA66. New grades include D/CR types, based on blends of PA66 and 610, which have very high resistance to hydrolysis and also high resistance to road salts used in low-temperature regions. Main immediate applications are radiator end tanks, oil filter housings/modules normally cast in aluminium, and exhaust gas recirculation (EGR) heat exchang- ers. Durski said OEMs and Tiers are also evaluating the materials for components such as active cooling valves and e-water pumps. The Technyl Blue range also includes very stiff and strong G2 PA66 grades, containing 30 or 50% glass fibre reinforcement. These have hydrolysis resistance around 30% higher than regular PA66.
For metal replacement A family of compounds launched by Teknor Apex this summer is claimed by the company to raise the processability and physical properties of glass fibre-reinforced polyamides to a new level, enabling injection moulders to take on more demanding metal-replacement applications or replace alternative thermoplastic materials for
Heat aging resistance of different Technyl types Source: Solvay
www.injectionworld.com
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