SABIC Innovative Plastics has developed new grades of its Ultem polyetherimide (PEI) resin, as well as Ultem-based compounds, to win medical and electrical/electronic components, with an industrial ...

LeeP springs made from Ultem PEI resins have strong load-bearing capacity while solving many problems associated with metal-alloy springs. Springs are about the most ordinary things in the world.

Springs may not be at the top of a designer’s mind when working on an application, but they are essential in many applications. The sizes and types available vary greatly and their choice is ...