The specialty chemical company has developed a new radiopaque plastic material of implant quality on the basis of polyether ether ketone.

Evonik is offering the radiolucent PEEK in implant quality with barium sulfate. This product type facilitates radiographic contrast without the disadvantage of artifact formation, as can be the case with other popular materials for implant technology. In addition, implants made of the new VESTAKEEP® i-Grade PEEK from Evonik do not get warm during magnetic resonance tomography.


VESTAKEEP® i-Grade PEEK is a high-performance material from Evonik that has proven itself in medical devices for years. The product, which exhibits impressive biocompatibility and biostability is easy to process and has been established for years as a high-performance material in medical technology applications such as spinal implants, sports medicine, cardiovascular devices, maxillofacial surgery, and other applications.

Evonik delivers the i-Grade PEEK material in the form of granulate, or semi-finished products, such as plastic plates or rods. VESTAKEEP® i-Grade PEEK with Barium Sulfate has different compound fill rates for different applications needs.

Evonik has more than 50 years of experience in the development and manufacturing of high-performance plastics. The extensive product range includes solutions for nearly all industrial applications.


Evonik is one of the world leaders in specialty chemicals. The focus on more specialty businesses, customer-orientated innovative prowess and a trustful and performance-oriented corporate culture form the heart of Evonik’s corporate strategy. They are the lever for profitable growth and a sustained increase in the value of the company. Evonik benefits specifically from its customer proximity and leading market positions. Evonik is active in over 100 countries around the world with more than 36,000 employees. In fiscal 2018, the enterprise generated sales of €15 billion and an operating profit (adjusted EBITDA) of €2.6 billion.


The Resource Efficiency segment is led by Evonik Resource Efficiency GmbH and produces high performance materials and specialty additives for environmentally friendly as well as energy-efficient systems to the automotive, paints & coatings, adhesives, construction, and many other industries. This segment employed about 10,000 employees, and generated sales of around €5.7 billion in 2018.