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Evonik Launches Implant-Grade 3D Printable PEEK Filament for Medical Applications

Implant-Grade 3D Printable PEEK Filament
Implant-Grade 3D Printable PEEK Filament
Above: Evonik Launches Implant-Grade 3D Printable PEEK Filament for Medical Applications/Image Credit: Evonik

Evonik, one of the world leaders in specialty chemicals, announced the launch of an implant-grade 3D printable PEEK filament for medical applications. Through this medical filament, it is setting new standards for developing and manufacturing custom-made plastic implants, which can now be created using additive manufacturing processes that meet the requirements of ASTM F2026 (the standard specification for PEEK polymers for surgical implant applications).

Sold under the brand name VESTAKEEP® i4 3DF, this PEEK filament is an implant-grade material based on VESTAKEEP® i4 G, a highly viscous, high-performance polymer from Evonik. Customers will be impressed by the product’s biocompatibility, biostability, x-ray transparency, and easy handling. The filament is produced under cleanroom conditions and then subjected to stringent quality management standards for medical materials.

In 2018, Evonik became the first-ever company to introduce 3D printable PEEK (polyether ether ketone) filament as an implant-grade material (VESTAKEEP® i4 G) for medical applications.

PEEK FILAMENT FOR FUSED FILAMENT FABRICATION

PEEK (Poly Ether Ether Ketone) is a high-performance material developed for fused filament fabrication (FFF) technology. Evonik’s natural-coloured PEEK filament has a diameter of 1.75 mm and is available in 250 or 500 grams spools suitable for direct use in any standard FFF 3D printers for PEEK materials.

Speaking on the new launch, Marc Knebel, head of Medical Devices & Systems market segment at Evonik commented, “For modern medical technology, the development of our first 3D-printable implant material opens up new opportunities for customizing patient treatments. Orthopedics and maxillofacial surgery are examples of areas where this could be applied. Innovative high-performance materials like Evonik’s VESTAKEEP® PEEK—along with highly complex hardware and software, and the perfect match between materials and machines—form the basis for a sustainable 3D-printing revolution in medical technology. Therefore, we will successively expand our product portfolio of 3D printable biomaterials.”

TESTING GRADE ENABLES COST-EFFECTIVE PROCESS ADAPTATION

Implant-Grade 3D Printable PEEK Filament
Above: Evonik new PEEK filament is based on its earlier medical-grade material VESTAKEEP® i4 G/Image Credit: Evonik

In addition to its implant grade, Evonik is also offering a testing-grade version of its PEEK filament. The term refers to a class of material having the exact same product properties as the implant grade, but without the documentation needed for approval in medical technology applications. This offers a cost-effective way of adapting the processing characteristics of the high-performance plastic to a given 3D printer.

For more than 20 years, Evonik has been the world’s leading manufacturer of high-performance polymers and additives used in additive manufacturing. The specialty chemicals company offers the industry’s most extensive portfolio of GMP-grade biomaterials used in the 3D printing of medical device parts designed for temporary and permanent body contact. In addition to VESTAKEEP® i4 3DF, the portfolio includes the RESOMER® line of bioresorbable filaments, powders and granules for implantable medical devices.


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