Sheffield Plastics Polycarbonate Sheet offer high impact strength

Bayer Makrolon Polycarbonate products give you a unique balance of beneficial features this includes temperature resistance, impact resistance and optical properties position polycarbonates in between commodity plastic materials and engineering plastic materials.
Polycarbonate is a very tough material. Even though it features high impact-resistance, it's got lower scratch-resistance and thus a hard coating is often applied to polycarbonate eye protection lenses as well as polycarbonate exterior vehicle equipment. The characteristics of polycarbonate are like those of common Acrylic materials, but polycarbonate is definitely 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 carries a glass transition temperature of around 150 °C (302 °F), consequently it softens slowly above this point and flows above about 300°C (572 °F). Tools should be held at high temperatures, generally above 80 °C (176 °F) to produce strain- and almost stress free products.
Unlike many thermoplastics, polycarbonate can undergo large shape changes without breaking. Subsequently, it could be processed and formed   without needing to be heated 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't be made from sheet metal. Note that PMMA/Plexiglas, which is similar in appearance to polycarbonate, but it is brittle and can't be bent without heating.
Polycarbonate is often found in eye protection, and also in other projectile-resistant optical type applications that would normally require 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 normally manufactured from polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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