|
PEEK Detailed Properties (Polyetheretherketone) |
Properties
|
ASTM or Unit
|
PEEK
|
MECHANICAL PROPERTIES |
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 |
THERMAL
PROPERTIES |
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 |
ELECTRICAL
PROPERTIES |
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 |
GENERAL
PROPERTIES |
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
|