Polycarbonate (PC) plastic pellets are known for their outstanding impact resistance, high transparency, and wide operating temperature range, from -40°C to 160°C. They offer excellent dimensional stability during molding, making them ideal for precision manufacturing. Additionally, PC pellets have ultra-high self-extinguishing properties, superior weather resistance, and good electrical insulation, which makes them a versatile material in various industries.
However, it's important to note that PC plastic should not be exposed to hot water above 60°C for extended periods, as this may affect its structural integrity. When burned, PC releases pyrolysis gases, and while it can catch fire, it tends to self-extinguish once the flame source is removed. The burning process emits a faint phenolic odor, with a yellow, bright flame and some black smoke. The material begins to soften at around 140°C and melts completely at approximately 220°C. It also has the ability to absorb infrared radiation, which adds to its functional versatility.
Due to its clarity and toughness, polycarbonate pellets are widely used across four major sectors: optical lighting, electronics, mechanical engineering, and medical equipment. Here’s a closer look at their applications:
In the field of optical illumination, PC is commonly used to produce large lampshades, protective eyewear, and optical instrument lenses. It is also frequently used in aerospace for transparent components such as cockpit windows and other critical parts.
In the electronics industry, polycarbonate is an excellent choice for E-grade insulation materials, used in connectors, coil bobbins, pipe sockets, bushings, and telephone housings. It is also suitable for manufacturing high-precision parts like optical discs, computer components, video recorders, and communication devices such as telephone switches and signal relays. Thin PC sheets are often used in capacitors, insulating bags, audio tapes, and color video tapes.
For mechanical applications, PC pellets are ideal for producing gears, racks, worm gears, bearings, cams, bolts, levers, crankshafts, and ratchets. They are also used in the production of shields, covers, and frames for various mechanical systems.
In the medical field, PC is used to create cups, bottles, containers, dental tools, surgical instruments, and even artificial organs such as artificial kidneys and lungs. Its biocompatibility and durability make it a valuable material in healthcare settings.
While polycarbonate has long been a popular choice in many industries, new materials are continuously emerging and competing with it. To remain relevant in the ever-evolving raw material market, continuous innovation and improvement are essential for PC to maintain its position as a leading polymer solution.
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