AvaSpire polyaryletherketone (PAEK) grade by Solvay Advanced Polymers, LLC, Alpharetta, GA, is designed for the extrusion of ultra-thin film to thicknesses as low as 6µm (25 gauge, 0.236mil). The new material expands AvaSpire AV-600 PAEK series by providing a higher performing alternative to polyetheretherketone (PEEK) in ultra-thin film applications.

The new grade – designated AvaSpire AV-630 – can be drawn down in extrusion processes to extremely low thicknesses. Benefits over other materials includes increased ductility for better puncture resistance, which translates into a more robust handling capability in manufacturing operations. Manufacturers also report that PAEK film feels less crinkly and is slightly more flexible than other film at comparable thicknesses.

Sub-mil thick films made from AV-630 are now being considered for capacitors, electrical insulation, flexible circuitry substrates, composite film layers, specialty laminates, and moisture barrier liners. The material is also suitable for melt extrusion into thin-wall medical tubing and capillaries.