DSM: Stanyl Grade TE250F6 offers added value for stator in Pierburg Electric Waterpump

PVS-Kunststofftechnik, a company specializing in overmolded insulation and other precision parts such as cooling fans for the electronic industry, has used Stanyl® PA46 (www.dsmep.com) for the stator (Photo) of the latest electric waterpump produced by Pierburg, the world’s first series-production supplier of electric coolant pumps.

Overmolding is a relatively new technology and is offering value trough the possibility of adding 3D geometry and replacing powder coating or paper insulation. Using overmolding technology offers environmental benefits whilst saving processing time and reducing the number of steps in production.

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Overmolded insulation
Overmolded insulation is a new application area for Stanyl PA46, which is available in standard, HF (HighFlow) & SF (SuperFlow) grades. Prior to this application, Stanyl PA46 had not been used for these types of overmolding applications. According to Bernd Szedlak, Project leader PVS: “For this application, Stanyl TE250F6 was selected because it offers excellent flow and its key advantages include elevated temperature resistance, improved heat dissipation, constant quality in dimensions and design freedom that allows for integrated functionality. The material makes it possible to create wall thicknesses in insulation areas of 0.35mm.”

Stanyl TE250F6 PA46 is a 30% glass-reinforced, heat-stabilized and flame-retardant formulation. It is typically specified for applications that benefit from its 180+C temperature resistance, good dimensional stability, low creep, high modulus, good in-mold flow, and ability to meet regulatory requirements.

PVS-Kunststofftechnik in Niedernhall, Germany, is a leading manufacturer of high-quality plastic parts and assemblies. The company is specialized in Ventilation Technology and Electric Motor Components for Automotive, as well as Electrics and General Industries. Managing Director Jürgen Frank says: “Stanyl provides unmatched performance and combines the best mechanical properties at high temperatures, excellent resistance to wear and low friction, outstanding flow for easy processing and exceptional design freedom. The use of Stanyl PA46 offers new opportunities for us to expand our range to include overmolded insulation and other precision parts like cooling fans for the electronic industry.”

DSM Engineering Plastics, Sittard, Netherlands

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