Evonik develops Implant-grade PEEK filament for 3D printing

Evonik PEEK Filament Implant Grade 3D printing

Evonik, one of the world leaders in specialty chemicals, is the first company in the world to develop a polymer filament based on PEEK (polyether ether ketone) in implant-grade quality for use as a 3D printing material for implants. The high-performance material, based on VESTAKEEP i4 G, is suitable for use in fused filament fabrication (FFF) technology that will enable the additive production of three-dimensional plastic parts for medical implants in the human body.

The new PEEK filament is a highly viscous implant-grade material exhibiting impressive biocompatibility, biostability, and x-ray transparency.  The new material is easy to process and is used as a high-performance material in medical technology applications such as spinal implants, sports medicine, and maxillofacial surgery.

Evonik will also be supplying a relatively cheaper “testing grade” version of its PEEK filament for FFF technology having exactly same processing and mechanical product properties as the implant-grade material except that it is not supported with the documentation needed for approval in medical device applications. The natural-colored filament with a diameter of 1.75 mm is wound on 500-gram spools making it suitable for direct use in standard FFF 3D printers for PEEK materials.

The testing grade will be followed by an implant-grade from VESTAKEEP i4 G in the first quarter of 2019, which can be offered with the required extensive approval documentation.

Evonik is the world’s leading manufacturer of polyamide (PA) 12 powders that have been used in additive production technologies for more than 20 years. The new material and flexible PEBA powders have expanded the Evonik’s portfolio of materials.

Evonik, active in more than 100 countries, focuses on more specialty businesses, customer-orientated innovative prowess, and a trustful and performance-oriented corporate strategy.

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