Tuesday, 4 January 2022

Bayer Makrolon Polycarbonate Sheets offering light weight and break resistance

Bayer Makrolon Polycarbonate products offer a balance of useful features this includes temp resistance, impact resistance and optical properties position polycarbonates in between commodity plastics and engineering plastic materials.
Polycarbonate is definitely a rugged material. Though it features significant impact-resistance, it possesses a lower scratch-resistance and thus a hard coating can be applied to polycarbonate eyeglasses and polycarbonate exterior auto equipment. The characteristics of polycarbonate are generally similar those of common Acrylic materials, but 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 has a glass transition temperature of around 150 °C (302 °F), therefore it softens slowly above this point and flows above about 300°C (572 °F). Tools will have to be held at warm to high temperatures, generally above 80 °C (176 °F) to help with making strain- and almost stress free products.
Unlike most other thermoplastics, polycarbonate can undergo large changes in basic shape without breaking or cracking. Subsequently, it may be processed and formed   without needing to be heated using standard sheet metal techniques, for instance forming bends with a brake. Even for 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 cannot be produced from sheet metal. Note that PMMA/Plexiglas, that is certainly similar in looks to polycarbonate, but is brittle and cannot be bent with out a heating process.

The light weight of polycarbonate, in contrast to glass, has led to development of electronic display screens that replace the traditional glass with polycarbonate, for use in mobile and portable devices. Such displays include newer e-ink and a few LCD screens, though CRT, plasma screen and other LCD technologies generally still require glass for its higher melting temperature and its ability to be etched with finer detail.
Other kinds of items manufactured from Polycarbonate include durable, lightweight luggage, MP3/digital audio player cases, computer cases, police riot shields, instrument panels, and blender jars. Many toys and hobby products 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 is needed. This can be a coating (e.g. for improved abrasion resistance), or a coextrusion for enhanced weathering resistance.
Bayer Makrolon Polycarbonate is a thermoplastic that starts as a solid plastic 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 melted liquid polycarbonate is then rapidly pushed into molds, compressed under high pressure and cooled to produce a finished product in a matter of minutes.


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