Plexiglas or Poly(methyl methacrylate) (PMMA)
This transparent plastic is also known as Perspex, Lucite, Vitroflex, Limacryl. Plexiglas has a good impact strength and a good degree of compatibility with human tissue which makes is suitable for use in contact lenses). It is weldable and can be easily moulded at relatively low temperatures (approx. 100 °C).