Properties

Polyamideimides
Unfilled compression 
and injection molding compound

Topics   Index

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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,
click on
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,
click on
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

Topics   Index

**************************************
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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