PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Alfaplas, Plexiglas, Acrylite, Lucite, and Perspex, among several others ( see below). Being an engineering plastic, it is a transparent thermoplastic. Poly( methyl methacrylate) ( PMMA) is the synthetic polymer derived from methyl methacrylate. Lichtenberg figure: high-voltage dielectric breakdown in an acrylic polymer block
