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6/30/2020 | 1 MINUTE READ

Materials: PES for Automotive Parts in Contact with Hot Oil

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BASF’s Ultrason E0510 C2TR said to offer optimized sliding friction properties.

A new engineering plastic that is particularly suited for automotive parts that come into contact with hot oil has been launched by BASF Corp., Florham Park, N.J. New Ultrason E0519 C2TR polyethersulfone (PESU) reortedly has been shown to have very good tribological properties, high oil resistance and excellent dimensional stability over a broad temperature range. The injection-molding grade with 10% carbon fiber reinforcement can be used within a temperature range of -30 to +180 C (-22  to 356 F). It is said to be easy to process because of its low viscosity and very good flow properties.

Ultrason E0510 C2TR enables manufacture of various car parts that come into contact with oil: oil pumps, oil control pistons, pressure valves and high-speed components in automatic or manual gearboxes. Due to its good flow properties, parts with wall thicknesses of less than one millimeter can be injection molded. The low coefficient of thermal expansion of 10.4 [10-6/°K] ensures parts that are dimensionally stable and that can withstand rapid temperature changes. Tests according to ASTM G137 have shown that the sliding friction performance outperforms other tribologically optimized high-performance thermoplastics. Even at high wear rates, test components show only low wear with virtually unchanged mechanical stability and chemical resistance.

The new material combines its tailor-made features with the proven properties of Ultrason:  extraordinary chemical resistance, inherent flame retardance, high rigidity and strength combined with outstanding hydrolysis resistance.

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