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PEEK™ Detailed Properties - (Polyetheretherketone)
The
table below lists a generally accepted summary of properties that we
believe to be reliable. Please note that many of these resins
are produced in several varieties and property characteristics may
vary. Therefore, determination of resin is dependent on the
application and this table is only meant to serve as a general
guideline.
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| Property Comparison of Fluoroplastic/Fluoropolymer Resins | ||
| Properties | ASTM or Unit | PEEK™ |
|
MECHANICAL PROPERTIES |
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| Specific Gravity | D792 | 1.30~1.32 |
| Elongation % | D638 | 20~60 |
| Tensile Strength (psi) | D638 | 14,065~14,500 |
| Flexural Strength (psi) | D790 | 24,650 |
| Compressive Strength |
D695 |
17,110 |
| Tensile
Elastic Modulus (Young's Modulus) (psi) |
D638 | 522,000 |
|
Flexural Modulus (psi) |
D790 |
580,000~594,500 103MPa(103kgf/m2) |
| Flex
Life (MIT cycles) |
D2176 | n.a |
| Hardness Durometer Shore D | D636 | D85~86 |
|
Coefficient of Friction on steel |
D1984 |
0.18 (Dynamic) |
| Abrasion Resistance 1000 revs. |
Taber | n.a |
| Impact
Strength IZOD 73°F/23°C, notched ft/lbs/in |
D256 | 1.6 |
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THERMAL PROPERTIES |
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| Melting Point | °C (°F) |
340 (644) |
| Upper
Service Temperature(20,000h) |
°C (°F) |
260 (500) |
| Flame Rating** | UL 94 | V-0 |
| Thermal
Conductivity |
BTU/hr/ft2/deg F in | 1.73 |
| cal/sec/cm2,ºC/cm | n.a | |
| Linear Coefficient of Thermal Expansion | D696 |
2.6 10-5 °F-1 |
| Heat of Fusion | BTU/LB | n.a |
| Heat of Combustion | BTU/LB | n.a |
| Low Temperature Embrittlement | °C (°F) |
na na |
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ELECTRICAL PROPERTIES |
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| Dielectric Constant | 50Hz-10kHz |
3.20~3.30 |
| D150/106Hz | n.a. | |
| Dielectric
Strength 10 mil film |
D149 | >500 |
| Volume
Resistivity ohm-cm |
D257 | 4.9 x 1016 |
| Surface
Resistivity ohm/sq. |
D257 | 2.0 x 1016 |
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GENERAL PROPERTIES |
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| Chemical/Solvent Resistance |
D543 | Excellent |
| Water Absorption, 24h,% | D570 | 0.5 |
| Refractive Index | 2.15 | |
| Limiting Oxygen Index % | D2863 | 24 |
| Properties | ASTM or Unit | PEEK™ |
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Parker-TexLoc, Mfr. of Precision Fluoroplastic Tubing & Heat Shrink |
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* Mylar®
and Nomex® are registered trademarks of Dupont Teijin Films.
Ultem® is registered trademark of GE Polymers.
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