Sheffield Plastics Polycarbonate Sheeting are clear and tough

Polycarbonate plastic materials have a balance of useful features which include high temperature resistance, impact resistance and optical properties position polycarbonates in between commodity plastic materials and engineering materials.
Polycarbonate is definitely a sturdy material. Though it offers exceptional impact-resistance, it has got low scratch-resistance and thus a hard coating may be applied to polycarbonate eyewear lenses and polycarbonate exterior auto equipment. The properties of polycarbonate are along the lines of those of polymethyl methacrylate (PMMA, acrylic), although 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 has better light transmission characteristics than many kinds of glass.
Polycarbonate carries a glass transition temperature near 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 high temperatures, generally above 80 °C (176 °F) in order to make strain- and stress-free products.
Unlike most thermoplastics, polycarbonate can undergo dramatic shape changes without breaking. Therefore, for small changes in shape, it can be processed and formed   at room temperature using sheet metal techniques, for instance forming bends with a brake. For even 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 required, which can't be produced from sheet metal. Keep in mind that PMMA/Plexiglas, which is similar in looks to polycarbonate, but it's brittle and cannot be bent without heating.
Polycarbonate is frequently utilized in eye protection, along with other projectile-resistant optical type applications that would normally indicate the use of glass, but require greater impact-resistance. Many different types of lenses are manufactured 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 normally manufactured from polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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