Sheffield Plastics Polycarbonate Flat Sheet are considered unbreakable
Makrolon Polycarbonate materials give you a balance of useful features this includes temp resistance, impact resistance and optical properties position polycarbonates in between commodity plastics and engineering plastics.
Polycarbonate is a very durable material. Even though it has exceptional impact-resistance, it has got low scratch-resistance and so a hard coating could be applied to polycarbonate eyeglasses and polycarbonate exterior vehicle equipment. The properties of polycarbonate are like 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 it has better light transmission characteristics than most grades of glass.
Polycarbonate has a glass transition temperature of around 150 °C (302 °F), in order that it softens slowly above this point and flows above about 300°C (572 °F). Tools should be held at higher temperatures, generally above 80 °C (176 °F) to help make strain- and reduced stress products.
Unlike most other thermoplastics, polycarbonate can undergo large shape changes without breaking. Due to this fact, it can be processed and formed without needing to be heated using standard sheet metal techniques, for example forming bends on a brake. Even for 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't be made from sheet metal. Keep in mind that PMMA/Plexiglas, which happens to be similar in appearance to polycarbonate, but it is brittle and cannot be bent at room temperature.
Polycarbonate is frequently utilized in eye protection, as well as in other projectile-resistant see through or lighting applications that would normally indicate the use of glass, but require higher impact-resistance. Many different types of lenses are created 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 constructed from polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.
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