Polyamideimides
Unfilled compression
and injection molding compound
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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
--- C
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Contents
Glass
Transition
(C)
Tg (Amorphous)
275 C
Processing
Temperature
Range Degrees F
Extrusion
600 to 650 F for compression molding
610 to 700 F for injection molding
Molding
Pressure Range ( PSI) (ksi)
2000 to 40000 psi
2 to 40 ksi
13 to 270 MPa
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Contents
Compression
Ratio
1.0 to 1.5
Mold(Linear)
Shrinkage (in/in)
ASTM D955
0.006 to 0.0085 in/in
Tensile
Strength at Break
ASTM D638
22000 psi
150 MPa
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Contents
Elongation
at break (%)
ASTM D638
15 %
Tensile
Yield Strength (psi)
ASTM D638
27800 psi
185 MPa
Compressive
Strength (psi)
Rupture or Yield
ASTM
D695
32100 psi
214 MPa
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Contents
Flexural
Strength (psi)
Rupture or Yield
ASTM D790
34900 psi
233 MPa
Tensile
Modulus (psi)
ASTM D638
700000 psi
5 GPa
To go to Modulus Values,
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Modulus
Compressive
Modulus (psi)
ASTM
D695
--- psi
--- GPa
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Contents
Flexural
Modulus (psi)
ASTM D790
At 73 F
730000 psi
5 GPa
At 200 F
--- psi
--- GPa
At 250 F
--- psi
--- GPa
At 300 F
--- psi
--- GPa
Izod
Impact (ft-lb/in of notch)
ASTM D256
2.7 ft lb/in of notch
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Contents
Hardness
Rockwell ASTM D785
E86
--
Shore D65 ASTM
D2240/D2583
---
Coefficient
of Linear Thermal Expansion
(10 exp-6 )in/in/C
30.6
(10 x exp –6) in/in /C
0.000 030 6 in/in /C
Deflection
Temperature under flexural load (F)
ASTM D648
264 psi ---
532 F
66 psi ---
--- F
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Contents
Thermal
Conductivity
(10 x exp –4)al cm/sec cm2 C
ASTM C177
6.2 (10 x exp –4) cal cm/sec cm2
0.00062 cal cm/sec cm2
Specific
Gravity
ASTM D792
1.42
To go to Density /Specific Gravity Values,
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Density
Water
Absorption
(1/8 in thick specimen) (%)
ASTM D570
24 hr --- ---%
Saturation
0.33 %
Dielectric Strength v/mil
(1/8 in thick Specimen; short time)
580 v/mil
**************************************
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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