Polyetheretherketone (PEEK) is a linear, aromatic, semi-crystalline polymer that exhibits excellent mechanical and thermal properties. Several grades of PEEK™ such as Virgin PEEK™, 30% Glass Filled PEEK™, 30% Carbon Filled PEEK™, and Bearing Grade PEEK™ are preferred for applications in demanding environments. PEEK rods, sheets, and machine parts are sought after for applications across industries. This post aims to discuss PEEK’s properties and benefits, which in turn helps you use the material wisely in applications.
Know About the Properties of PEEK Materials
The following table depicts the general mechanical, thermal and electrical properties of Polyetheretherketone.
Mechanical Property | Unit | 450G | 450GL30 | 450CA30 |
Coefficient of Friction | — | — | — | |
Flexural Modulus, 23°C | psi | 594,500 | 1,450,000 | 2,900,000 |
Specific Gravity | 1.32 | 1.49 | 1.44 | |
Melt Flow Rate | g/10 min | 3-3.5 | 1.2-1.5 | 1.2-1.5 0.48-0.56 |
Rockwell Hardness, R scale | R | 126 | 124 | 124 |
Impact Strength, 23°C, Notched Izod | ft-lb/in | 1.57 | 1.8 | 1.59 |
Water Absorption, 24 hr. | % | 0.5 | 0.11 | 0.06 |
Elongation, 23°C | % | 50 | 2.2 | 1.3 |
Tensile Strength, 23°C | psi | 14,500 | 24,650 | 32,770 |
Thermal Properties | ||||
Melting Point | °C | 340 | 340 | 340 |
Deflection Temperature (264 psi) | °C | 160 | 315 | 276 |
Oxygen Index | % | 24 | — | — |
Max. Service Temperature | °C | 250 | 250 | 250 |
Thermal Conductivity | Btu-in/hr-ft2-F | 1.75 | 0.43 | 0.24 |
Flammability | V-O | V-O | V-O | |
Electrical property | ||||
Surface Resistivity | ohm-sq | — | — | — |
Volume Resistivity | ohm-cm | 4.9 x 1016 | — | — |
Dielectric Strength (0.05 mil film) | KV/cm | 190 | — | — |
Dielectric Constant, 21°C, 50 Hz-10 kHz | 3.2-3.3 | — | — | |
Dissipation Factor, 21°C, 1 MHz | 0.003 | — | — | |
Arc Resistance | sec | — | — | — |
Benefits of Using PEEK Material
Thermoplastic PEEK offers exceptional performance over a wide range of temperatures. The following are a few other beneficial features of polyetheretherketone.
Typical Application Areas
Owing to the superb benefits and features of polyetheretherketone as aforementioned, the material is largely chosen for applications in marine, automobile, medical, food processing, defense, and oil and gas industries among others. A few examples of the parts manufactured using the material include:
Having said the benefits and applications of thermoplastic PEEK, would you like to transform PEEK material into parts with strict specifications? There are several manufacturers who possess ample knowledge of working with the material, which enables them to produce parts to strict specifications to support the application equipment performance. SSP Manufacturing, Inc is one such leading manufacturers who have expertise in creating PEEK parts for filling equipment, pharmaceutical equipment, and lab work or other specific applications.
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