Polyetheretherketone
/PEEK
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Copyright 2002 by Roger D. Corneliussen
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Values are from Modern Plastics Encyclopedia 99.
To jump to a particular property, click on the name listed below.
Melt
Flow
Melting
Temperature
Glass
Transition
Processing Molding Pressure
Processing Molding Temperature
Compression
Ratio
Mold
Shrinkage
Tensile
Strength
Elongation
Tensile
Yield Strength
Compressive
Strength
Flexural
Strength
Tensile
Modulus
Flexural
Modulus
Izod
Impact Strength
Hardness
Deflection
Temperature
Thermal
Expansion
Thermal
Conductivity
Specific
Gravity
Dielectric
Strength
Water
Absorption
Note:
The ASTM numbers are linked to
their descriptions on the ASTM website.
To go to the description, simply
click on the ASTM number
Melt
Flow
ASTM D1238
(gm/10 min)
--- gm /10 min
Melting
Temperature degrees C
Tm Crystalline
334 C
Glass
Transition
(C)
Tg (Amorphous)
--- C
Processing
Temperature
Range Degrees F
Extrusion
660 to 750 F for injection molding
660 to 720 F for extrusion
Molding
Pressure Range ( PSI) (ksi)
10000 to 20000 psi
10 to 20 ksi
67 to 134 MPa
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Mold(Linear)
Shrinkage (in/in)
ASTM D955
0.011 in/in
Tensile
Strength at Break
ASTM D638
10200 to 15000 psi
68 to 100 MPa
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Elongation
at break (%)
ASTM D638
30 to 150 %
Tensile
Yield Strength (psi)
ASTM D638
13200 psi
88 MPa
Compressive
Strength (psi)
Rupture or Yield
ASTM
D695
18000 psi
120 MPa
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Flexural
Strength (psi)
Rupture or Yield
ASTM D790
16000 psi
107 MPa
Tensile
Modulus (psi)
ASTM D638
--- psi
--- GPa
To go to Modulus Values,
click on
Modulus
Compressive
Modulus (psi)
ASTM
D695
--- psi
--- GPa
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Flexural
Modulus (psi)
ASTM D790
At 73 F
560000 psi
3.7 GPa
At 200 F
435000 psi
2.9 GPa
At 300 F
290000 psi
1.9 GPa
Izod
Impact (ft-lb/in of notch)
ASTM D256
1.6 ft lb/in of notch
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Hardness
Rockwell ASTM D785
---
--
Shore D65 ASTM
D2240/D2583
---
Coefficient
of Linear Thermal Expansion
(10 exp-6 )in/in/C
(<150 C)40
to 47 (10 x exp –6) in/in /C
0.000 040 to 0.000 047 in/in /C
(>150 C) 108
(10 x exp –6) in/in /C
0.000 108 in/in /C
Deflection
Temperature under flexural load (F)
ASTM D648
264 psi ---
320 F
66 psi ---
--- F
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Thermal
Conductivity
(10 x exp –4)al cm/sec cm2 C
ASTM C177
--- (10 x exp –4) cal cm/sec cm2
--- cal cm/sec cm2
Specific
Gravity
ASTM D792
1.30 to 1.32
To go to Density /Specific Gravity Values,
click on
Density
Water
Absorption
(1/8 in thick specimen) (%)
ASTM D570
24 hr --- 0.1 to 0.14 %
Saturation
0.5 %
Dielectric Strength v/mil
(1/8 in thick Specimen; short time)
--- v/mil
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**************************************
Copyright 2002 by Roger D.
Corneliussen
No part of this transmission is to be
duplicated, in any manor, or forwarded by
electronic mail without the express written
permission of Roger D. Corneliussen
**************************************
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