Sheffield Plastics Polycarbonate Sheeting are considered unbreakable

Polycarbonate plastic products give you a balance of useful features which include temperature resistance, impact resistance and optical properties position polycarbonates in between commodity plastics and engineering plastics.
Polycarbonate is definitely a sturdy material. Even though it offers exceptional impact-resistance, it has reduced scratch-resistance and thus a hard coating can be applied to polycarbonate eyeglasses as well as polycarbonate exterior auto components. The characteristics relating to polycarbonate tend to be like those of common Acrylic materials, and yet polycarbonate is going to be 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 most grades of glass.
Polycarbonate has a glass transition temperature of approximately 150 °C (302 °F), as a result it softens slowly above this point and flows above about 300°C (572 °F). Tools need to be held at higher temperatures, generally above 80 °C (176 °F) to help with making strain- and stress-free products.
Unlike almost all other thermoplastics, polycarbonate can undergo dramatic shape changes without breaking. For that reason, it could be processed and formed   cold using sheet metal techniques, such as 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 required, which can’t be produced from sheet metal. Please keep in mind PMMA/Plexiglas, that is certainly similar in appearance to polycarbonate, but it’s brittle and can’t be bent with out a heating process.
Polycarbonate is commonly found in eye protection, and also in other projectile-resistant see through or lighting applications that would normally require 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 normally made out of polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.

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