Lubrizol has developed a thermoplastic polyurethane (TPU) urethane that targets replacement of silicone in peristaltic pumps. Peristaltic pumps are positive displacement pumps used to pump a variety of fluids. A technical officer of Lubrizol interviewed at MD&M West in Anaheim, CA yesterday said that the new TPU is melt processable, unlike silicone, which is a thermoset. The new material would be one of the softest TPUs with Rockwell Hardness of 62A. The product was on display at the Lubrizol booth. Full details are expected to be disclosed at the Annual Technical Conference (ANTEC) of the Society of Plastics Engineers in Boston this May.
A composite based on a high-performance PEEK-like resin we told you about two years ago when it was still in R&D has now been licensed by the US Naval Research Laboratory (NRL) for commercial manufacturing.
Microsoft, HP, Dassault, and other industry heavyweights in 3D printing have launched a new 3DP file format, 3MF. The consortium says the spec will more fully describe a 3D model and will be interoperable with multiple applications, platforms, services, and printers.
NASA's been working on several different ongoing projects for 3D-printed rocket engine components in metals and now it's reached another first in aerospace 3D printing: a full-scale, 3D-printed rocket engine component made of copper.
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