INNOVATION | 3D PRINTING


nounced two new materials for its Digital Light Synthesis process a few weeks ago (see IW June 2017 for details on the process). These are epoxy EPX 82 and elastomeric polyurethane EPU 41. EPX 82 is a high-resolution and high-strength engi- neering material with excellent long-term durabil- ity, while EPU 41 is the company’s produc- tion-scale elastomeric material offering higher resilience for making durable, elastic lattices. EPX 82 is a high-strength engineering


material with a heat-deflection temperature of 125°C and good impact strength,


Above: The H2000 Infinite Build system from Stratasys uses an extruder processing mini-granules


At NPE, SABIC launched three new filaments for FDM: Ultem AM1010F filament for general high- temperature applications, including tooling; and Ultem AMHU1010F and Lexan AMHC620F fila- ments for healthcare applications. Ultem AM1010F, a polyetherimide, provides


high heat resistance (a glass transition temperature of 217°C) and high mechanical strength. It can be used in applications such as short-cycle injection moulding tools, carbon-fibre layup tools, and automotive components. The filament is UL94 V-0 compliant at 1.5 mm and 5VA compliant at 3.0 mm. Ultem AMHU1010F and Lexan AMHC620F filaments are made with SABIC healthcare-grade resins. SABIC says new healthcare application development can become more efficient by using these filaments in prototypes, as the same base resin materials are available in injection moulding grades for production. In April, Solvay said it was aiming to take additive manufacturing to the next level with the launch of three specialty polymer filaments “that promise to introduce game-changing performance for 3D-printed parts.” Based on the company’s KetaSpire PEEK and Radel PPSU polymers, they are the first products in what Solvay plans to become a broader portfolio of specialty polymer filaments and powders designed specifically for high-end AM applications. Solvay now offers a neat PEEK product and a 10% carbon fibre-reinforced grade of filament. Both are designed to allow excellent fusion of printed layers, enable high part density and deliver exceptional part strength – including in the z-axis. The PPSU filament is also formulated to allow excel- lent fusion of layers, and also offers high transpar- ency, excellent elongation and superior toughness. Solvay is also developing an 3DP-ready powder based on its NovaSpire polyetherketoneketone (PEKK) polymer, which will target applications in aerospace and healthcare. Away from 3DP with filaments, Carbon an-


26 INJECTION WORLD | June 2018 making it ideal for applications requiring a balance


of strength, toughness, and thermal-cycling durabil- ity such as connectors, brackets, and housings in the automotive and industrial sectors. Its mechanical properties are comparable to lightly glass-filled thermoplastics like polyamides and PBT and meet the USCAR-2 fluid compatibility standards. Aptiv (formerly Delphi) is using EPX 82 for the


production of electrical connector housings. Jerry Rhinehart, the company’s Manager of Additive Manufacturing Development, says the company’s confidence in EPX 82 “enables our product development engineers to free their minds from the design constraints imposed by traditional manufacturing processes, paving the way for the


Q&A with Ramon Pastor, Vice President and General Manager, HP Multi Jet Fusion, HP


Injection World: Which plastics materials companies is HP working with? Raman Pastor: We recently added Dressler and Lubrizol to a list of global industry leaders that includes Arkema, BASF, Evonik, Henkel, Lehmann & Voss, and Sinopec Yanshan Petrochemical Company. DSM and Dow Chemical are among the compa-


nies that have acquired our Materials Develop- ment Kit with the objective of developing new materials for Multi Jet Fusion in collaboration with HP. There are now more than 50 companies actively engaging on our Open Materials Platform.


IW: Do you have numbers on how many machines you have sold, how many companies are making production parts with them?


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