PMMA, polymethyl-methacrylate, is a thermoplastic acrylic linear polymer, the mer of which is illustrated in the diagram. PMMA is transparent, with a refractive index of 1.49, and easily formed into ...

EHang, JAC Motors and Guoxian Holdings will conduct joint research on the automation of aircraft production technologies and build a manufacturing base, all to accelerate low-altitude aviation ...

Moving our eyes upwards we get to a 6.6kg aluminium platter – again, an acrylic construction – damped with thermoplastic elastomer (TPE) for improved stability. The motor, meanwhile ...