Sheffield Plastics Polycarbonate Flat Sheet are considered unbreakable

Bayer Makrolon Polycarbonate materials have a great blend of useful features including temp resistance, impact resistance and optical properties position polycarbonates between commodity plastics and engineering plastics.
Polycarbonate is definitely a durable material. Although it features considerable impact-resistance, it possesses reduced scratch-resistance and thus a hard coating is often applied to polycarbonate eye wear lenses and polycarbonate exterior automotive equipment. The characteristics relating to polycarbonate are similar to those of common Acrylic materials, 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 it has better light transmission characteristics than many different types of glass.
Polycarbonate has a glass transition temperature near 150 °C (302 °F), consequently it softens gradually above this point and flows above about 300°C (572 °F). Tools ought to be held at warm to high temperatures, generally above 80 °C (176 °F) to make strain- and reduced stress products.
Unlike most other thermoplastics, polycarbonate can undergo dramatic changes in basic shape without cracking. Subsequently, it is sometimes processed and formed   cold using sheet metal techniques, such as 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 crucial, which cannot be produced from sheet metal. Remember that PMMA/Plexiglas, which happens to be similar in looks to polycarbonate, but it is brittle and cannot be bent without heating.

The light weight of polycarbonate, as opposed to glass, has led to continuing development of electronic touch 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 still generally require glass for its higher melting temperature and the ability to be etched in finer detail.
Other miscellaneous items produced from Polycarbonate include durable, lightweight luggage, MP3/digital audio player cases, computer cases, high impact riot shields, instrument panels, and common style blender jars. Many toys and hobby goods 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 either can be a coating (e.g. for improved abrasion resistance), or a coextrusion for enhanced weathering resistance.
Bayer Makrolon Polycarbonate is a thermoplastic that at the beginning, starts as a solid material in the form of small pellets. In a manufacturing process called injection molding, the pellets are heated until they begin to melt. This liquid polycarbonate is then rapidly injected into a mold with the empty part being the size and shape of the part you want, compressed under high pressure and cooled to form a finished product in less than a minute.

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