|
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.
|
| PEEK
Properties |
ASTM |
UNIT |
PEEK |
|
MECHANICAL
PROPERTIES |
| Specific
Gravity |
D792 |
|
1.30 |
| Elongation
|
D638 |
% |
20~50 |
| Tensile
Strength |
D638 |
psi
|
14100~14500
|
| Flexural
Strength |
|
psi
|
25,000 |
| Compressive
Strength |
D695 |
|
17,110 |
| Transversal
Contraction (Poisson's Ratio) |
|
|
0.4 |
Tensile
Elastic Modulas
(Young's Modulas) |
D638 |
psi
|
522,000 |
Flexural
Modulas
|
D790 |
psi
|
594,000 |
| D790 |
103MPa
(103kgf/cm2) |
38 |
| Flex
Life |
D2176 |
(MIT cycles) |
n.a |
| Hardness
Durometer |
D636 |
Shore D |
n.a |
| Coefficient
of Friction |
D1984 |
Static |
.24 |
| Abrasion Resistance |
Taber |
1000 revs. |
n.a |
Impact
Strength IZOD
73°F/23°C |
D256 |
notched
ft/lbs/in |
1.16~1.84 |
| THERMAL
PROPERTIES |
| Melting
Point |
|
°C
(°F) |
334
(633) |
Upper
Service
Temperature(20,000h) |
|
°C
(°F) |
315
(599) |
| Flame
Rating** |
|
UL94 |
VO |
Thermal
Conductivity
|
|
BTU/hr/sq
ft/deg F in |
n.a |
| C117 |
cal/sec/cm2,ºC/cm |
n.a |
| Heat of
Fusion |
|
BTU/LB
cal/g |
n.a
n.a |
| Heat
of Combustion |
|
BTU/LB
cal/g |
n.a
n.a |
| Low
Temperature Embrittlement |
|
°C
(°F) |
-65
(-85) |
| ELECTRICAL
PROPERTIES |
| Dielectric
Constant |
|
D150/103Hz |
n.a |
| |
D150/106Hz |
n.a |
| Dissipation
Factor |
|
D150/103Hz |
n.a |
| |
D150/106Hz |
n.a |
| Dielectric
Strength |
|
125MILV.
10MILV. |
480
n.a |
| Volume
Resistivity |
D257 |
ohm-cm |
4.9
x 1016 |
| Surface
Resistivity
|
|
ohm/sq. |
n.a |
| GENERAL
PROPERTIES |
Chemical/Solvent
Resistance |
|
|
Very
Good |
| Water
Absorption, 24h |
|
% |
0.68 |
| Refractive
Index |
|
|
2.15 |
Arc
Resistivity
|
|
% |
n.a |
| D495 |
sec |
n.a |
|
