PC engineering plastics are weather resistant and UV resistant. PC has low water absorption and good transparency

Description :

　　PC engineering plastics are polycarbonate resins polymerized by ester exchange (melt method) reaction of bisphenol A in dihydroxy compounds and diphenyl carbonate in carbonate compounds. It is a high-performance thermoplastic engineering plastic with outstanding impact resistance, good creep resistance and dimensional stability, heat resistance, low water absorption, non toxicity, and excellent dielectric properties. It is one of the five major engineering plastics with good transparency and a rapidly growing general-purpose engineering plastic in recent years.

　　Polycarbonate is colorless and transparent, heat-resistant, impact resistant, flame-retardant BI grade, and has good mechanical properties even at normal operating temperatures. Compared to polymethyl methacrylate, polycarbonate has better impact resistance, higher refractive index, and better processing performance. It has UL94 V-0 flame retardant properties without the need for additives. However, polymethyl methacrylate is relatively cheaper than polycarbonate and can be used to produce large devices through bulk polymerization.

　　Polycarbonate has poor wear resistance. Some polycarbonate devices used for wear-resistant purposes require special surface treatment.

　　The three major application areas of PC engineering plastics are glass assembly industry, automotive industry, and electronics and electrical industry, followed by industrial machinery parts, optical discs, packaging, computer and other office equipment, medical and health care, film, leisure and protective equipment, etc. PC can be used as door and window glass, and PC laminated panels are widely used for protective windows in banks, detention centers, and public places, as well as for aircraft cabin covers, lighting equipment, industrial safety barriers, and glass. PC boards can be used for various signs, such as fuel pump dials, car instrument panels, warehouse and outdoor commercial signs, dot type sliding indicators. PC resin is used for car lighting systems, instrument panel systems, and interior decoration systems, as front lampshades, reinforced car front and rear bumpers, reflective mirror frames, door frame covers, operating rod sleeves, blocking plates. PC is used as junction boxes, sockets, plugs and sleeves, gaskets, TV conversion devices, communication cable connectors under telephone line brackets, switch boxes, telephone exchanges, distribution panel components, relay housings. PC can be used as low load parts for household appliance motors, vacuum cleaners, hair washers, coffee makers, toasters, power tool handles, various gears, worm gears, shaft sleeves, etc. Guidelines and refrigerator shelves. PC is an ideal material for optical disc storage media. PC bottles (containers) are transparent, lightweight, have good impact resistance, and can withstand certain high temperatures and corrosive solution washing. They are used as recyclable bottles (containers). PC and PC alloy can be used as computer racks, casings, auxiliary equipment, and printer parts. Modified PC is resistant to high-energy radiation sterilization, steaming and baking disinfection, and can be used for blood collection specimen instruments, blood oxygenators, surgical instruments, renal dialyzers, etc. PC can be used as helmets and safety helmets, protective masks, sunglasses, and sports goggles. PC film is widely used in printing charts, pharmaceutical packaging, and film commutators.

　　Polycarbonate: abbreviated as PC, commonly known as glass glue, often refers to bisphenol A polycarbonate. It has superior performance, not only high transparency and excellent impact toughness, but also creep resistance, wide temperature range of use, excellent electrical insulation and weather resistance, and is non-toxic.

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