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Asti chooses the Solvay PPS - Moulding of sensor housings used in demanding industrial processing

Solvay announcedtoday that Advanced Sensor Technologies Inc. (ASTi) selected Ryton PPS to mouldprotective housings for two industrial-grade sensors. The sensors, designed toevaluate either pH or oxidation-reduction potential (ORP) in industrialprocesses, are encased in housings moulded from Ryton R-4-230BL, an advanced 40%fiberglass-reinforced PPS compound that combines improved processability, excellentrigidity and strong resistance to chemicals even at high temperatures.

ASTi, adesigner of electrochemical sensors for laboratory, medical and industrialapplications, chose to encase its solid-state pH and ORP sensors withinhousings moulded from Ryton R-4-230BL to protect them from the harshenvironments of inline process control and monitoring applications. Theparticular grade of Ryton PPS that ASTi chose offered optimal balance of superbprocessability, strong resistance to a wide variety of corrosive chemicals andexcellent dimensional stability to allow moulding of complex components withvery tight tolerances.

Ryton PPSreliably retains its chemical resistance and rigidity even after prolongedexposure to temperatures up to 200°C and, depending on the application, canmaintain its properties for short periods at temperatures reaching 260°C.

“ASTihas increasingly relied on Solvay’s broad selection of advanced polymers todevelop products for medical, biopharma and industrial applications, but wefound Ryton PPS’s unique property profile best suited the environment in whichour new pH and ORP sensors would operate”, said Martin Patko, president andfounder at ASTi. “Ryton PPS promises to optimize the performance and lifetimeof these sensors as well as future applications that require a combination ofchemical resistance, thermal stability, electrical properties, and rigidity”.

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This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° [605658].

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