Lexan Polycarbonate Sheeting are clear and tough

Polycarbonate materials have a great blend of beneficial features this includes temp resistance, impact resistance and optical properties position polycarbonates between commodity plastics and engineering plastics.
Polycarbonate is definitely a tough material. Whilst it offers tremendous impact-resistance, it possesses low scratch-resistance and thus a hard coating may be applied to polycarbonate eyeglasses as well as polycarbonate exterior auto components. The characteristics of polycarbonate are similar those of polymethyl methacrylate (PMMA, acrylic), and yet polycarbonate definitely is 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 most grades of glass.
Polycarbonate carries a glass transition temperature of about 150 °C (302 °F), so it softens gradually 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 help with making strain- and reduced stress products.
Unlike most thermoplastics, polycarbonate can undergo large shape changes without cracking or breaking. For this reason, it is sometimes processed and formed   cold using sheet metal techniques, for instance forming bends on a brake. For even sharp angle bends with a tight radius, no heating is usually necessary. This makes it attractive prototyping applications where transparent or electrically non-conductive parts are necessary, which cannot be crafted from sheet metal. Understand that PMMA/Plexiglas, which happens to be similar in appearance to polycarbonate, but is brittle and can't be bent at room temperature.
Polycarbonate is often utilized in eye protection, along with other projectile-resistant see through or lighting applications that would normally indicate the use of glass, but require much greater impact-resistance. Several types of lenses are made of 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 constructed from polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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