Sheffield Plastics Polycarbonate Flat Sheet are considered unbreakable

Bayer Makrolon Polycarbonate materials have a great blend of helpful features which include temperature resistance, impact resistance and optical properties position polycarbonates between commodity plastic materials and engineering plastics.
Polycarbonate is definitely a long-lasting material. Though it offers considerable impact-resistance, it possesses minimal scratch-resistance and so a hard coating is often applied to polycarbonate eyewear lenses as well as polycarbonate exterior vehicle equipment. The characteristics of polycarbonate are similar to that of those of polymethyl methacrylate (PMMA, acrylic), although polycarbonate definitely 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 has better light transmission characteristics than many kinds 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 are required to be held at high temperatures, generally above 80 °C (176 °F) to help make strain- and stress-free products.
Unlike most thermoplastics, polycarbonate can undergo massive changes in basic shape without breaking or cracking. Because of this, for small changes in shape, it can be processed and formed   without needing to be heated using standard sheet metal techniques, which include forming bends with a brake. For even sharp angle bends with a tight radius, no heating is generally necessary. This makes it valuable in prototyping applications where transparent or electrically non-conductive parts are needed, which should not be crafted from sheet metal. Be aware that PMMA/Plexiglas, which happens to be similar in looks to polycarbonate, but is brittle and can't be bent at room temperature.

The light weight of polycarbonate, in contrast to glass, has led to 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 still generally require glass for its higher melting temperature and its ability to be etched in finer detail.
Other miscellaneous items created from Polycarbonate include durable, lightweight luggage, MP3/digital audio player cases, computer cases, riot shields, instrument panels, and common style blender jars. Many toys and hobby products are made from polycarbonate parts, e.g. fins, gyro mounts, and flybar locks for use with radio-controlled helicopters.
For use in applications subjected to weathering or UV-radiation, a special surface treatment is needed. This can be a coating (e.g. for improved abrasion resistance), or as a coextrusion for enhanced weathering resistance.
Bayer Makrolon Polycarbonate is a thermoplastic that starts as a solid material in the form of small pellets. In a manufacturing process called injection molding, the pellets are heated until they melt in to a thick liquid. The liquid polycarbonate is then rapidly pushed into a mold, compressed under high pressure and cooled to form a finished product in less than a minute.


mechanical plastic sheeting


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