Bayer Makrolon Polycarbonate materials give you a unique balance of helpful features which include high temperature resistance, impact resistance and optical properties position polycarbonates in between commodity plastic materials and engineering materials.
Polycarbonate is a very high quality material. Although it features increased impact-resistance, it possesses a lower scratch-resistance and so a hard coating is often applied to polycarbonate eyewear lenses and polycarbonate exterior auto equipment. The characteristics relating to polycarbonate tend to be similar to those of Acrylic PMMA materials, and yet polycarbonate is always 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 many different types of glass.
Polycarbonate has a glass transition temperature of approximately 150 °C (302 °F), in order that it softens slowly above this point and flows above about 300°C (572 °F). Tools will have to be held at high temperatures, generally above 80 °C (176 °F) for making strain- and reduced stress products.
Unlike most other thermoplastics, polycarbonate can undergo dramatic shape changes without cracking. Hence, it could be processed and formed   at room temperature using sheet metal techniques, for example forming bends on a brake. For even sharp angle bends with a tight radius, no heating is generally necessary. This makes it attractive prototyping applications where transparent or electrically non-conductive parts are needed, which can’t be created from sheet metal. Please keep in mind PMMA/Plexiglas, which is similar in appearance to polycarbonate, but it’s brittle and cannot be bent without heating.

The light weight of polycarbonate, as opposed to glass, has led to development of electronic view screens that replace glass with polycarbonate, for use in mobile and portable devices. Such displays include newer e-ink and some LCD screens, though CRT, plasma screen and other LCD technologies still generally require glass for its higher melting temperature and the ability to be etched with finer detail.
Other miscellaneous items produced from Polycarbonate include durable, lightweight luggage, MP3/digital audio player cases, computer cases, police riot shields, instrument panels, and common style blender jars. Many toys and hobby goods are made of polycarbonate parts, e.g. fins, gyro mounts, and flybar locks for use with radio-controlled helicopters.
For use in applications exposed to weathering or UV-radiation, a special surface treatment could be needed. This may be a coating (e.g. for improved abrasion resistance), or a coextrusion for enhanced weathering resistance.
The Makrolon Polycarbonate is a thermoplastic that begins as a solid plastic material in the form of small pellets. In a manufacturing process called injection molding, this pellet material is heated until they melt in to a thick liquid. This liquid polycarbonate is then rapidly pushed into a mold, compressed under high pressure and cooled to produce a finished product in less than a minute.

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