EOS Expands Additive Manufacturing Plastics Material Range
EOS Introduces Two New Materials: Highly Flexible PrimePart® ST and Flame-Retardant PrimePart® FR
Krailling, Germany, and Novi, Mich. — EOS, technology and market leader for design-driven, integrated e-manufacturing solutions in the Additive Manufacturing (AM) sector, is introducing two new plastic materials for industrial 3D printing. PrimePart ST (PEBA 2301), a soft, flexible, and elastic material, belongs to the group of thermoplastic elastomers and is available immediately for EOSINT P 395 systems. In the coming months, availability will be extended to the EOS FORMIGA P 110 and EOSINT P 760 systems. PrimePart® FR (PA 2241 FR) is a flame-retardant Polyamide 12 and is available now for both the current EOSINT P 395 and P 760 systems, as well as for the EOSINT P 390 and P 730.
PrimePart® ST: Characteristics and Potential Applications
Possessing an elongation at break of two hundred percent, together with a good elastic restorative capacity and rebound elasticity PrimePart® ST was developed to support the production of flexible, rubber-like parts. The optimized design ensures that parts will return to their original shape, even after significant deformations. Post-production infiltration is not necessary for achieving excellent mechanical properties and surface qualities. In the temperature range of -40 to 90°C the material demonstrates very good fatigue performance. If desired, it supports many post-production options for treating the manufactured part, including roto-finishing, flame-treatment, flocking, paint finishing, and smoothing. This facilitates the realization of specialized surface-finishes that meet the specific and varied requirements of customers.
One key sphere of application is in the manufacture of sporting goods: In the production of winter sport accessories, such as impact protectors, the resilience of the material opens up a broad range of possibilities. Another potential application is in the consumer-goods sector, particularly in housings where there exists the risk of breakage through falling, being-dropped, and other instances of impact. Within industry, the automobile sector is one of many potential users: Fitting accessories such as grips, corner/edge, and paintwork protectors can be realized, as well as soft door-lock components. Medical applications would include instrument-grips and significant applications in orthopedic technology. In addition, the material is suitable for the manufacture of hoses, grips and handles, flexible cable holders and sheaths, and more across the spectrum of industrial production.
PrimePart® FR for the Aerospace Sector
The new flame-retardant material is especially suitable for application in the aerospace sector. PrimePart® FR (PA 2241 FR) is a flame-retardant Polyamide 12 for processing on the EOSINT P 3xx-series and P 7xx-series systems. This replenishable material – the recommendation is to use at least 60 percent new powder - meets the relevant flame-proof requirements at wall thicknesses of just 1.0 mm. Replenishability significantly cuts the costs of part manufacturing. In addition, the material demonstrates improved mechanical properties: a tensile strength of 49 MPa with an elongation at break of fifteen percent. This means that PrimePart® FR exceeds the extremely successful PA 2210 FR, which, until now, was the only flame-retardant PA 12 material in the EOS portfolio. Typical applications in the field of airplane interiors would include ventilation ducts and outlet vents.
“With these plastic materials we are reacting to two needs that our customers have brought more and more to our attention - the provision of materials that allow for new applications and cost-efficiencies. The soft, rubber-like PrimePart® ST has received highly positive feedback from our test-customers, which bodes well for the material's introduction to the market. It's a similar story with PrimePart® FR. The rising cost pressures in the aerospace sector and the increasing demand for light-weight parts mean that PrimePart® FR is ideally suited for meeting today's requirements,” summarizes Fabian Müller, Product Marketing Manager Polymers at EOS.
Founded in 1989 and headquartered in Germany, EOS is the technology and market leader for design-driven, integrated e-Manufacturing solutions for additive manufacturing (AM), an industrial 3D printing process. EOS offers a modular solution portfolio including systems, software, materials and material development as well as services (maintenance, training, specific application consulting and support). As an industrial manufacturing process it allows the fast and flexible production of high-end parts based on 3D CAD data at a repeatable industry level of quality. As a disruptive technology it paves the way for a paradigm shift in product design and manufacturing. It accelerates product development, offers freedom of design, optimizes part structures, and enables lattice structures as well as functional integration. As such, it creates significant competitive advantages for its customers. For more information please visit www.eos.info.
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