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| PEEK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Description | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PEEK is a kind of heat-resistant, high performance thermoplastic
special engineering plastics. It has good mechanical properties and
chemical resistance, abrasion resistance, and hydrolysis resistance
properties etc.; it has a light proportion and self-lubricating
properties. Due to very good processing properties, it can be
filled with carbon fiber and MoS2 etc. to improve lubrication
performance and mechanical strength further. PEEK engineering plastics have a broad application space related to aviation, machinery, electronics, chemical industry, automobiles, and other high-tech industry, mechanical parts and accessory can be manufactured in stringent requirements, such as gears, bearings, piston rings, supporting ring, sealing ring (letter), valves, and other wear circle. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Characteristics | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PEEK engineering plastics have a broad application space related to aviation, machinery, electronics, chemical industry, automobiles, and other high-tech industry, mechanical parts and accessory can be manufactured in stringent requirements, such as gears, bearings, piston rings, supporting ring, sealing ring (letter), valves, and other wear circle. The outstanding performance of PEEK material mainly shows in the following aspects: 1. Heat-resistance 2. Mechanical PropertiesPEEK is the plastic that strikes a balance between toughness and rigidity. Especially, it has an excellent fatigue resistance against alternating stress that is the most talented of all plastics, and it can be comparable with alloys. 3. Self-lubricatingPEEK has outstanding sliding characteristics in all plastics; it is suitable for stringent requirements for low coefficient of friction and resistance to friction used. Especially, the self-lubricating properties of PEEK will be better if it is modified by carbon fiber and graphite mixed in the proportion of each of them. 4. Chemical Resistance (corrosion resistance)PEEK has excellent chemical resistance. In ordinary chemicals, it can be dissolved or damaged only by concentrated sulfuric acid; its corrosion resistance is similar to those of steel and nickel. 5. Flame RetardantPEEK is a very stable polymer. The 1.45mm thick samples can achieve the highest standard of fire retardant without adding any fire retardant. 6. Stripping ResistancePEEK has good stripping resistance; therefore, it can be made into thin wires or electromagnetic wire coating, and it can be used in harsh conditions. 7. Fatigue ResistancePEEK has the best fatigue resistance among all resins. 8. Radiation ResistancePEEK has a very strong irradiated resistance, which is stronger than the radiation resistance of polystyrene, which is the best one among generic resin. It can be made into high-performance wiring that can still make good insulation capability when irradiation is at doses of 1100Mrad. 9. Hydrolysis Resistance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.Aviation Industries: PEEK, can be used to produce all kinds of parts in the planes instead of Aluminium and other metals. With its excellent flame retardant, the inner parts, made of PEEK, can reduce the damage degree of fire in the planes. PEEK has successfully test in Chinese Shenzhou”Spaceships series and widely applied in Boeing and Airbus airliner at present. 2.Electronic industry: PEEK, has excellent electric performance, which is the perfect isolator, and can still keep the excellent isolator in the execrable working environment of high-temperature, high-pressure and heavy-humidity. So the electronic & electrical industries have been the second application area of PEEK, especially in semiconductor industry, PEEK is often used to produce wafer carriers insulator, linker, printing circuit, high-temperature plug and so on. Recently Japan, Euro and America has used PEEK material to produce the SLSI.3.Medical Industries: Besides, PEEK can be used to produce some exact medical equipments for the OPS and dentistry, which can annihilate bacterium and can be used time after time, the most important application of PEEK, which is used to produce the artificial bone instead of metal. The artificial bone, which is made of PEEK, has the good performance of light-weight, non-toxic and good-chemical-resistance and so on, and can integrate with the organism of human body. So PEEK is also successfully applied in medical industries. 4.Electricity ＆ nuclear industry: PEEK, has the excellent performance of high temperature resistance,
hydrolysis resistance, radiation resistance, which has successfully
applied in the wires and frameworks of nuclear power stations. 6. Auto industry: PEEK, with its excellent wearable performance and mechanical properties, can be used to produce the inner covers of engines、auto bearings、flakes 、airproof parts、gear ring of clutch and other parts. Now, a great deal of PEEK has been applied in the driving and braking system and air-condition of auto cars , such as: Audi、Benz、Nissan、 Kreisler、GE. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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