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April 2009
Laser-sinterable polyetheretherketone

Victrex and EOS have joined forces to develop a PEEK material for laser sintering.

Posted on: 3/4/2009
Source: Composites Technology

Rapid prototyping/manufacturing systems developer EOS GmbH (Hofheim, Germany) and polyetheretherketone (PEEK) polymer producer Victrex (Novi, Mich.) have cooperated to develop a new PEEK material specifically designed for high-temperature laser sintering. Trade named PEEK HP3, the material offers fire resistance, light weight, high tensile strength and biocompatibility. The polymer has a tensile strength as high as 95 MPa and a Young’s modulus up to 4,400 MPa. This is the first PEEK material that can be sintered and processed on EOS’ advanced, high-temperature EOSINT P 800 laser-sintering machine, which is capable of building prototypes and limited-run parts via the laser-sintering process. The system is suitable for process temperatures as high as 385°C/725°F and is said to be the first in the world to operate at this temperature. Depending on the field of application, continuous operating temperature is 180°C/356°F to 260°C/500°F. EOS and Victrex plan to conduct joint workshops and information meetings to educate users about the broad potential of sintering technology using PEEK materials.

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