Bayer Makrolon Polycarbonate Sheeting are considered unbreakable

Polycarbonate plastic products offer a great blend of beneficial features this includes high temperature 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 has got lower scratch-resistance and so a hard coating is applied to polycarbonate eye protection lenses and polycarbonate exterior motor vehicle components. The characteristics of polycarbonate are similar to that of those of common Acrylic materials, yet , polycarbonate 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 several types of glass.
Polycarbonate carries a glass transition temperature of approximately 150 °C (302 °F), so it softens slowly above this point and flows above about 300°C (572 °F). Tools must be held at warm to high temperatures, generally above 80 °C (176 °F) to produce strain- and reduced stress products.
Unlike many thermoplastics, polycarbonate can undergo massive changes in basic shape without breaking. Because of this, it may be processed and formed   at room temperature using standard 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 attractive prototyping applications where transparent or electrically non-conductive parts are needed, which cannot be made from sheet metal. Remember that PMMA/Plexiglas, which happens to be similar in looks to polycarbonate, but it's brittle and can't be bent at room temperature.
Polycarbonate is often found in eye protection, and also in other projectile-resistant optical type applications that would normally be thought of as requiring the use of glass, but require much greater impact-resistance. Many different types of lenses are made of 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 commonly made of polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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