Essentium launches PEKK material for HSE 3D printing systems at RAPID + TCT



Essentium announced the launch of its Essentium PEKK 3D printing filament, which was developed using Arkema 6002 Kepstan resin.

The hardware will be used in live demonstrations of the Essentium HSE 280i HT system, which is also making its first public demonstration, at FAST + TCT.

Essentium believes its PEKK material will appeal to key verticals such as aerospace and automotive due to its mechanical strength and high resistance to heat and chemicals. In terms of performance attributes, PEKK is similar to PEEK but has a lower crystallization rate and therefore can be processed as an amorphous polymer. The material is less affected by the cooling process after printing, and therefore less risk of warping, and also maintains flame, smoke and toxicity ratings for compliance with federal aviation regulations. Essentium PEKK has an extrusion temperature of between 340 ° C and 400 ° C, while it is renowned for its improved resistance to chemical attack compared to PEI materials.

“Industries such as the aerospace and automotive industry want AM to give them speed for parts without sacrificing quality,” commented Brandon Sweeney, Ph.D., executive vice president of R&D, Materials at Essentium. “By providing an open additive ecosystem with a range of high performance materials such as PEKK combined with the powerful capabilities of the HSE 280i, industry players now have a unique opportunity to rapidly produce complex parts for harsh environments and extremes on demand. These AM innovations are a game-changer for manufacturers who are motivated by improved efficiency and better time to market. “

The launch of Essentium PEKK represents another expansion of the company’s materials portfolio, which was also strengthened last year with the introductions of Essentium 9085 (made with SABIC’s ULTEM 9085 resin), PET-CF and TPU 58D-AS. While the company has focused on materials development since the launch of its high-speed extrusion series, Essentium has also made progress on the hardware side with the launch of its HSE 280i HT platform, which is equipped with independent double extrusion. system (IDEX). During demonstrations of this platform at RAPID + TCT, Essentium seeks to demonstrate the ability of the HSE 280i to print large-scale parts, while also demonstrating the machine’s ability to print multi-part constructions through its print head completely independent of both the X and the Y axis.

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