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What is a PC?

What is a PC?

Michelle Www.xy-global.com 2018-06-07 18:43:44

PC is an abbreviation of polycarbonate. Its full name in English is Polycarbonate, also referred to as PC engineering plastic. It is a high molecular polymer containing a carbonate group in its molecular chain. PC materials are also one of the plastics we are talking about. As a material that is used worldwide, PC has its own characteristics, advantages and disadvantages. PC is an amorphous, colorless and transparent thermoplastic resin with excellent overall performance, excellent electrical insulation, elongation, dimensional stability and chemical resistance, high strength, heat resistance and cold resistance. Polycarbonate has the advantages of self-extinguishing, flame-retardant, non-toxic, and colorable. It can be seen in every corner of your life. It has now become the fastest growing general engineering plastic among the five engineering plastics. The scale of industrial production and ease of processing also make its price extremely low. Since the late 1990s, China's polycarbonate PC products have begun to shift from the original spinning mills to computers and household appliances, optical discs, construction, and automotive industries. The demand for polycarbonate PCs has increased dramatically.

Classification of PC

Anti-Static PC, Conductive PC, Fiber Reinforced Fire PC, UV Resistant Weather Resistant PC, Food Grade PC, Chemical Resistance PC

The main performance of PC

1, mechanical properties: high strength, fatigue resistance, dimensional stability, creep is also small (very little change under high temperature conditions);

2, heat aging resistance: enhanced UL temperature index of 120 ~ 140 °C (outdoor long-term aging is also very good);

3, solvent resistance: no stress cracking;

4. For water stability: easy to decompose when exposed to water (use caution in high-temperature, high-humidity environments);

5, electrical performance:

(1) Insulation performance: Excellent (Moisture, high temperature can also maintain stable electrical performance, is an ideal material for the manufacture of electronic and electrical parts);

(2) Dielectric constant: 3.0-3.2;

(3) Arc-resistance: 120s;

6, molding processability: ordinary equipment injection molding or extrusion. Due to the high crystallization speed and good fluidity, the mold temperature is lower than other engineering plastics. In the processing of thin-walled parts, only a few seconds, as long as the large parts only 40-60s can be.

Application of PC

The three major application areas of PC engineering plastics are glass assembly industry, automotive industry and electronics and electrical appliances industry, followed by industrial machinery parts, optical discs, packaging, computers and other office equipment, medical and health care, film, leisure and protective equipment. PC can be used as door window glass and bulletproof glass. The PC board can be used for various signs, junction boxes, sockets, plugs and bushings, gaskets, and TV switching devices. At the same time, PCs can make low-load parts. PC is also an ideal material for optical disk storage media. The PC can be used as a helmet and helmet, protective mask, sunglasses and sports goggles. PC film is widely used in printing charts, pharmaceutical packaging, film commutators.

The application development of polycarbonate is oriented towards high compounding, high-functionality, specialization, and serialization, and CD-ROM, automotive, office equipment, cabinets, packaging, medicine, lighting, film, and other products have been introduced. Grade.

As a common plastic, PC has been widely used in daily life.

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