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PEKK Vs. PEEK for 3D Printing | The Cool Parts Show Bonus

PEKK (poly ether ketone ketone) and PEEK (poly ether ether ketone) are both high-performance, semicrystalline polymers that offer good strength, chemical resistance and high use temperatures. Both materials are used for medical implants, among other applications, in part because they offer stiffness comparable to human bone. But the same crystallinity that imparts many desirable qualities to these polymers also makes them challenging to 3D print. We recently featured PEKK suture anchors made through selective laser sintering (SLS) by Oxford Performance Materials, and PEEK cervical spine implants made through fused strand deposition (FSD) by Curiteva on The Cool Parts Show. In this bonus episode, we reconnect with our experts for their perspective on additive manufacturing with these materials. This bonus episode of The Cool Parts Show brought to you by Carpenter Additive: http://www.carpenteradditive.com LEARN MORE ABOUT OPM’s PEKK suture anchors made with SLS in Episode 60 https://www.additivemanufacturing.med... Curiteva’s PEEK cervical spine implant made with FSD in Episode 63: https://www.additivemanufacturing.med... Another perspective for choosing between PEEK, PEKK and Ultem for FFF-style printinghttps://www.additivemanufacturing.med... How a PEKK-based filament with ESD properties was developed for the Orion spacecraft https://www.additivemanufacturing.med... Using 3D printed carbon-reinforced PEEK composite and neat PEEK to replace metal parts https://www.additivemanufacturing.med... The use of PEEK and PEKK in thermoplastic aerostructures in this breakdown from Additive Manufacturing Media’s sister publication CompositesWorld https://www.compositesworld.com/artic... --------------------------- Subscribe to THE BUILDUP, Additive Manufacturing Media's newsletter on 3D printing for industrial production: https://gbm.media/JoinTheBuildUp