Covestro Makrolon Polycarbonate Sheeting are considered unbreakable

Makrolon Polycarbonate products offer a unique balance of useful features including high temperature resistance, impact resistance and optical properties position polycarbonates between commodity plastic materials and engineering plastics.
Polycarbonate is definitely a long-lasting material. Whilst it features outstanding impact-resistance, it possesses lower scratch-resistance and so a hard coating typically is applied to polycarbonate eyeglasses and polycarbonate exterior automobile equipment. The properties of polycarbonate tend to be similar to that of those of Acrylic PMMA materials, 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 it has better light transmission characteristics than most grades of glass.
Polycarbonate carries a glass transition temperature of approximately 150 °C (302 °F), therefore it softens gradually above this point and flows above about 300°C (572 °F). Tools are required to be held at higher temperatures, generally above 80 °C (176 °F) to help with making strain- and almost stress free products.
Unlike most other thermoplastics, polycarbonate can undergo large changes in basic shape without breaking. Therefore, it is sometimes processed and formed   without needing to be heated using sheet metal techniques, for instance forming bends with a brake. Even for sharp angle bends having a tight radius, no heating is usually necessary. This makes it useful for prototyping applications where transparent or electrically non-conductive parts are important, which can not be made from sheet metal. Be aware that PMMA/Plexiglas, that is similar in looks to polycarbonate, but it is brittle and cannot be bent without heating.
Polycarbonate is commonly utilized in eye protection, along with other projectile-resistant see through applications that would normally indicate the use of glass, but require much greater impact-resistance. Many different types of lenses are produced from polycarbonate, including automotive headlamp lenses, lighting lenses, sunglass/eyeglass lenses, swimming and SCUBA goggles, and safety goggles for use in sporting helmets/masks and police riot gear. Windscreens in small motorized vehicles are normally crafted from polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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