Bayer Makrolon Polycarbonate Sheets offering light weight and break resistance

Bayer Makrolon Polycarbonate products have a unique balance of useful features including high temperature resistance, impact resistance and optical properties position polycarbonates in between commodity plastics and engineering plastics.
Polycarbonate is definitely a tough material. Although it offers greater impact-resistance, it has got reduced scratch-resistance and so a hard coating is often applied to polycarbonate eyeglasses and polycarbonate exterior automobile components. The characteristics of polycarbonate tend to be similar to that of those of polymethyl methacrylate (PMMA, acrylic), yet , polycarbonate is undoubtedly 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), therefore 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) in order to make strain- and reduced stress products.
Unlike almost all other thermoplastics, polycarbonate can undergo large deformations without cracking. Therefore, for small changes in shape, it can be processed and formed   without needing to be heated using sheet metal techniques, for example 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 needed, which can't be produced 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 with out a heating process.

The light weight of polycarbonate, compared with glass, has led to growth and development of electronic view screens that replace the traditional glass with polycarbonate, for use in mobile and portable devices. Such displays include newer e-ink and several LCD screens, though CRT, plasma screen and other LCD technologies which still require glass for its higher melting temperature and the ability to be etched with finer detail.
Other types of items manufactured from Polycarbonate include durable, lightweight luggage, MP3/digital audio player cases, computer cases, high impact riot shields, instrument panels, and blender jars. Many toys and hobby products are constructed from 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 is needed. This can be a coating (e.g. for improved abrasion resistance), or perhaps the coextrusion for enhanced weathering resistance.
The Makrolon Polycarbonate is a thermoplastic that begins as a solid material in the form of small pellets. In a manufacturing process called injection molding, the pellets are heated until they melt. The melted liquid polycarbonate is then rapidly pushed into a mold, compressed under high pressure and cooled to create a finished product in less than a minute.


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