Bayer Makrolon Polycarbonate Flat Sheet offer high impact strength

Polycarbonate products have a unique balance of useful features including temperature resistance, impact resistance and optical properties position polycarbonates between commodity plastic materials and engineering plastics.
Polycarbonate is definitely a high quality material. Whilst it offers increased impact-resistance, it's got reduced scratch-resistance and thus a hard coating can be applied to polycarbonate eye wear lenses as well as polycarbonate exterior automotive components. The characteristics relating to polycarbonate are like those of polymethyl methacrylate (PMMA, acrylic), although polycarbonate is always stronger, it is usable in a wider temperature range and is a bit more expensive. This plastic polymer is highly transparent to visible light and has better light transmission characteristics than many different types of glass.
Polycarbonate has a glass transition temperature of about 150 °C (302 °F), in order that it softens gradually above this point and flows above about 300°C (572 °F). Tools must be held at warm to high temperatures, generally above 80 °C (176 °F) to make strain- and almost stress free products.
Unlike many thermoplastics, polycarbonate can undergo large deformations without breaking or cracking. Because of this, it can be processed and formed   cold using sheet metal techniques, for example forming bends with a brake. Even for sharp angle bends with a tight radius, no heating is usually necessary. This makes it useful for prototyping applications where transparent or electrically non-conductive parts are crucial, which can not be produced from sheet metal. Understand that PMMA/Plexiglas, which happens to be similar in looks to polycarbonate, but it's brittle and cannot be bent with out a heating process.
Polycarbonate is often found in eye protection, in addition to other projectile-resistant see through applications that would normally indicate the use of glass, but require much higher impact-resistance. Many kinds of lenses are produced from polycarbonate, including automotive headlamp lenses, lighting lenses, sunglass/eyeglass lenses, swimming and SCUBA goggles, and safety glasses for use in sporting helmets/masks and police riot gear. Windscreens in small motorized vehicles are typically produced from polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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