Lexan Polycarbonate Sheet offer high impact strength

Bayer Makrolon Polycarbonate products give you a unique balance of helpful features which include temp resistance, impact resistance and optical properties position polycarbonates between commodity plastic materials and engineering plastics.
Polycarbonate is a very sturdy material. Even though it offers outstanding impact-resistance, it's got lower scratch-resistance and thus a hard coating is applied to polycarbonate eyeglasses and polycarbonate exterior auto equipment. The characteristics associated with polycarbonate tend to be similar to that of those of Acrylic PMMA materials, and yet polycarbonate is actually 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 it has better light transmission characteristics than most grades of glass.
Polycarbonate has a glass transition temperature of around 150 °C (302 °F), as a result it softens slowly above this point and flows above about 300°C (572 °F). Tools will have to be held at higher temperatures, generally above 80 °C (176 °F) to make strain- and stress-free products.
Unlike many thermoplastics, polycarbonate can undergo dramatic deformations without cracking or breaking. For this reason, it could be processed and formed   at room temperature using standard sheet metal techniques, such as forming bends with a brake. For even sharp angle bends with a tight radius, no heating is generally necessary. This makes it valuable in prototyping applications where transparent or electrically non-conductive parts are essential, which can not be produced from sheet metal. Understand that PMMA/Plexiglas, which is similar in appearance to polycarbonate, but is brittle and can't be bent at room temperature.
Polycarbonate is often found in eye protection, along with other projectile-resistant viewing and lighting applications that would normally require the use of glass, but require much greater 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 visors for use in sporting helmets/masks and police riot gear. Windscreens in small motorized vehicles are commonly produced from polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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