PEEK
Chemical Designation
Polyetheretherketone
DIN Abbreviation
PEEK
Colour, Filler
beige
Stock Availabilty
Main Characteristics
Preferred Fields
Applications
MECHANICAL
Properties
Unit
Test method
DIN ASTM
Density
g/cm3
53 479
1.32
Tensile strength/ yield
MPa
53 455
92
Tensile strength/ break
MPa
53 455
Elongation / break
%
53 455
50
Modules of elasticity/tension
MPa
53 457
3600
Modules of elasticity/flexure
MPa
53 457
4100
Ball indentation hardness
MPa
53 456
Impact strength (charpy)
kJ/m2
53 453
no.br
Creep rupture strength /1000 hrs static load
MPa
Time yield 1% elongation/1000hrs
MPa
Coefficient of friction/ hardened & ground steel
-
0.3 to 0.38
Wear/ as above
mm/km
THERMAL
Properties
Unit
Test method
DIN ASTM
Crystaline melting point
ºC
53 736
334
Glass transition temperature
ºC
53 736
143
Heat distortion temperature Method A
ºC
ISO 75
140
Method B
ºC
ISO 75
182
Field33
Maximum service temperature short term
ºC
300
long term
ºC
250
Coefficient of thermal conductivity
W/(m.K)
0.25
Specific heat
J(g.K)
0.32
Coefficient of thermal expansion
10-5/K
4.7
ELECTRICAL
Properties
Unit
Test method
DIN ASTM
Dielectric constant at 105 HZ
53 483
3.2 to 3.3
Dielectric loss factor 105 HZ
S.cm
53 483
1.001 to 0.004
Specific volume resistance
S
53 482
4.90E+16
Surface resistance
53 482
Dielectric strength 1 mm
KV/mm
53 481
20
Tracking resistance
53 480
MISCELLANEOUS
Properties
Unit
Test method
DIN ASTM
Moisture absorption
%
53 714
0.1
Water absorption at saturation at 23 §C
%
53 495
0.5
Resistance to hot water, washing soda
resistant
Flammibilty
UL 94
VO
Resistance to weathering
resistant
Compliance