Covestro Makrolon Polycarbonate Sheets are considered unbreakable

Polycarbonate materials have a great blend of helpful features including temp resistance, impact resistance and optical properties position polycarbonates in between commodity plastic materials and engineering materials.
Polycarbonate is definitely a rugged material. Though it offers outstanding impact-resistance, it possesses minimal scratch-resistance and thus a hard coating can be applied to polycarbonate eyewear lenses as well as polycarbonate exterior auto components. The properties of polycarbonate are generally similar those of common Acrylic materials, 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 many kinds of glass.
Polycarbonate carries a glass transition temperature of around 150 °C (302 °F), so it softens slowly 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 produce strain- and almost stress free products.
Unlike most other thermoplastics, polycarbonate can undergo dramatic shape changes without cracking. Hence, it may be processed and formed   cold using sheet metal techniques, which include forming bends on a brake. Even for sharp angle bends having a tight radius, no heating is generally necessary. This makes it useful for prototyping applications where transparent or electrically non-conductive parts are important, which can not be created from sheet metal. Understand that PMMA/Plexiglas, which is similar in appearance to polycarbonate, but it is brittle and cannot be bent without heating.
Polycarbonate is often utilized in eye protection, and also in other projectile-resistant see through or lighting applications that would normally be thought of as requiring 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 glasses for use in sporting helmets/masks and police riot gear. Windscreens in small motorized vehicles are commonly made out of polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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