PEEK (polyetheretherketone) is a high-performance thermoplastic polymer that offers excellent mechanical and thermal properties, chemical resistance, and biocompatibility. Its unique combination of properties has made it a popular material in a wide range of industries, including aerospace, automotive, medical, and electronics. This article will delve into the properties and applications of PEEK, as well as the latest advancements in the field.
PEEK has a high melting point of around 340°C and can withstand continuous use at temperatures of up to 260°C. It also has high mechanical strength, stiffness, and fatigue resistance, making it suitable for use in high-stress applications. In addition, PEEK is highly resistant to chemicals, hydrolysis, and radiation, which makes it an excellent choice for harsh environments. Its biocompatibility and resistance to wear and abrasion also make it ideal for medical implants.
|PEEK main material grade and typical properties|
|Item||Test Standard or Instrument||Unit||PEEK 5600G||PEEK5600GF30||PEEK 5600CF30||PEEK5600LF30|
|100% virgin PEEK||PEEK + 30% Glass fiber||PEEK + 30% Carbon fiber||PEEK+30%(Carbon fiber+Graphite +PTFE)|
|Color||-||Natural or Black||Natural or Black||Black||Black|
|Water Abs. (25℃.24Hrs)||ISO 62||%||0.5||0.11||0.06||0.06|
|Mould shrinking percentage||3mm,170℃, Flow direction||%||1.2||0.4||0.1||0.3|
|Perpendicular to flow direction||%||1.5||0.8||0.5||0.5|
|Distortion temperature||ISO 75-1/-2||℃||163||315||315||293|
|Continuous using temperature||UL 74685||℃||260||260||260||260|
|coefficient of thermal expansion||ASTM D696||10-5℃||4.7||2.2||1.5||2.2|
|Tensile modulus (23℃)||ISO527-2/1B/51||GPa||3.8||11||23||12.5|
|Tensile elongation (23℃)||ISO527-2/1B/50||%||34||2||1.8||2.2|
|Bending strength (23℃)||ISO 178||MPa||163||212||298||186|
|Bending modulus (23℃)||ISO 179||GPa||3.5||10||21||11|
|Compressive strength (23℃)||ISO 604||MPa||118||215||240||150|
|Lzod impact strength ( no gap)||ISO 180/U||KJ/m2||No crack||51||46||32|
|Simeom Denis Poisson||ISO 527-2||0.4||0.35||0.35||0.35|
|Flammable level||UL 94||V-0@mm||1.5||1.5||1.5||0.75|
|Dielectric strength||IEC 60243-1||KV/mm||18||19||-||-|
|Dielectric constant||IEC 60250||3.2||3.3||-||-|
|Thermal conductivity||ISO 22007||W/（m·K）||0.28||0.31||0.95||0.86|
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PEEK has found numerous applications in various industries due to its unique properties. In the aerospace industry, it is used to make lightweight components for aircraft engines, while in the automotive industry, it is used for high-performance parts that require excellent wear resistance and durability. In the medical industry, PEEK is commonly used for orthopedic implants, dental implants, and spinal fusion devices. It is also used in electronics and electrical industries, as well as in the oil and gas industry, where it is used for seals, bearings, and other high-stress components.
In recent years, there have been significant advancements in PEEK polymer technology. One of the latest developments is the introduction of reinforced PEEK composites, which offer even greater strength and stiffness than traditional PEEK materials. These composites are made by incorporating various reinforcements such as carbon fibers, glass fibers, and nanoparticles into the PEEK matrix, resulting in materials that are suitable for even more demanding applications.
Another significant advancement is the development of 3D printing technology for PEEK. 3D printing allows for the creation of complex geometries and customized parts, which can be used in various industries. The use of 3D printing technology has also led to advancements in the medical industry, where it is used to create patient-specific implants and devices.
PEEK is a high-performance thermoplastic polymer that offers unique properties and has found numerous applications in various industries. Its high mechanical strength, stiffness, and resistance to harsh environments make it suitable for use in high-stress applications such as aerospace, automotive, and oil and gas industries. In addition, its biocompatibility and resistance to wear and abrasion make it ideal for medical implants. Recent advancements in PEEK technology, such as the development of reinforced composites and 3D printing technology, have expanded its potential applications even further.
Yes, PEEK is biocompatible and has been used in medical implants such as orthopedic and dental implants.
Yes, PEEK has a high melting point of around 340°C and can withstand continuous use at temperatures of up to 260°C.
PEEK is used in various industries, including aerospace, automotive, medical, electronics, and oil and gas.
Reinforced PEEK composites are PEEK materials that have been reinforced with carbon fibers, glass fibers, and nanoparticles to increase their strength and stiffness.
3D printing technology for PEEK allows for the creation of complex geometries and customized parts, which can be used in various industries