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PPA grades eliminate corrosion issues in automotive electronics applications

05 October 2011

Solvay Advanced Polymers has expanded its range of Amodel polyphthalamide (PPA) resins for automotive electronics applications. New Amodel Electronic (AE) grades eliminate corrosion issues in high temperature and high humidity conditions for a range of applications, including sensors, connectors, electric motors, electronic control unit housings, bobbins, solenoids, and other circuit protection.

The new AE grades complement Solvay’s longstanding Amodel HS (Heat Stabilised) product line which has successfully served the automotive industry for more than 20 years. The AE line has been specially formulated to prevent corrosion issues while still maintaining the high-performance attributes, including the avoidance of possible short-circuits or cross-talk between electrical contacts.

The AE line includes AE-4133, a high-flow, fast-cycling injection mouldable material available in black and natural. The water-mouldable material delivers the highest heat distortion temperature (300°C) in the Amodel PPA product line, making it well-suited for surface mount technology (SMT) and laser welding. The new line also offers AE-8133, which offers the highest retention of dielectric properties in the Amodel product line and is available in black. AE-8133 is processed on oil-heated injection moulds and is suitable for hybrid vehicle power electronics applications.

Solvay has also introduced a developmental grade, Amodel PXM-11229, which is a partially bio-based material that offers up to 5% lower specific gravity and one-third the moisture absorption vs. comparable glass-reinforced standard Amodel grades.

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