Makrolon Polycarbonate products offer a unique balance of useful features which include high temperature resistance, impact resistance and optical properties position polycarbonates between commodity plastics and engineering plastics.
Polycarbonate is a very long-lasting material. Although it features considerable impact-resistance, it's got minimal scratch-resistance and thus a hard coating is applied to polycarbonate eyewear lenses and polycarbonate exterior motor vehicle equipment. The properties relating to polycarbonate are generally comparable to those of common Acrylic materials, although 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 it has better light transmission characteristics than most grades of glass.
Polycarbonate carries a glass transition temperature of around 150 °C (302 °F), as a result it softens gradually 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 make strain- and reduced stress products.
Unlike most thermoplastics, polycarbonate can undergo dramatic changes in basic shape without cracking or breaking. Subsequently, it can be processed and formed at room temperature using standard sheet metal techniques, for instance forming bends with a brake. For even sharp angle bends having a tight radius, no heating is usually necessary. This makes it attractive prototyping applications where transparent or electrically non-conductive parts are crucial, which may not be created from sheet metal. Be aware that PMMA/Plexiglas, that is certainly similar in looks to polycarbonate, but it's brittle and can't be bent at room temperature.
Polycarbonate is frequently used in eye protection, and also in other projectile-resistant see through applications that would normally be thought of as requiring the use of glass, but require greater impact-resistance. Many kinds of lenses are created 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 constructed from polycarbonate, such as for motorcycles, ATVs, golf carts, and small planes and helicopters.
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