The Specialty Polymers business division of Belgian plastics and chemicals producer Solvay (Brussels; www.solvay.com) is providing automotive customers with two resins that can replace PA 12 – which has become extremely tight in the wake of the deadly explosion at Evonik’s (Essen / Germany; www.evonik.com) CDT feedstock facility in Marl – for more details, see Plasteurope.com of 18.04.2012. The group says its “Amodel” polyphthalamide (PPA) and “Ifex” polyacrylamide (PARA) are also suitable for use in fuel line and glycol connectors. Solvay reports that several automotive companies have already switched from 23% glass-filled nylon 12 to its “Amodel” AT-6130 HS resin.

Solvay says its “Amodel” PPA is a semi-aromatic polyamide with excellent thermal capability and chemical resistance that is less sensitive to moisture than conventional polyamides. The grade is also characterised by higher strength and stiffness at elevated temperatures as well as better retention of mechanical properties in high humidity. The material is thus suited for use in fuel systems but also ideal for structural components requiring fatigue and creep resistance. As for “Ifex” PARA, Solvay said it displays both strength and aesthetics, making it ideal for use in complex parts that require overall strength and a smooth surface.