Polysulfones
Injection molding, flame retarded,
extrusion
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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 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)
3.5 to 9 gm /10 min
Melting
Temperature degrees C
Tm Crystalline
--- C
Glass
Transition
(C)
Tg (Amorphous)
187 to 190 C
Processing
Temperature
Range Degrees F
Extrusion
--- F for Compression Molding
625 to 750 F for Injection Molding
600 to 700 F for Extrusion
Molding
Pressure Range ( PSI) (ksi)
5000 to 20000 psi
5 to 20 ksi
33 to 133 MPa
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Compression
Ratio
2.5 to 3.5
Mold(Linear)
Shrinkage (in/in)
ASTM D955
0.0058 to 0.007 in/in
Tensile
Strength at Break
ASTM D638
--- psi
--- MPa
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Elongation
at break (%)
ASTM D638
50 to 100 %
Tensile
Yield Strength (psi)
ASTM D638
10200 to 11600 psi
68 to 77 MPa
Compressive
Strength (psi)
Rupture or Yield
ASTM
D695
13900 to 40000 psi
93 to 267 MPa
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Compressive Strength
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Flexural
Strength (psi)
Rupture or Yield
ASTM D790
15400 to 17500 psi
103 to 117 MPa
Tensile
Modulus (psi)
ASTM D638
360000 390000 psi
2.4 to 2.6 GPa
To go to Modulus Values,
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Modulus
Compressive
Modulus (psi)
ASTM
D695
374000 psi
2.5 GPa
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Flexural
Modulus (psi)
ASTM D790
At 73 F
390000 psi
2.6 GPa
At 200 F
370000 psi
2.5 GPa
At 250 F
350000 psi
2.3 GPa
At 300 F
310000 psi
2.1 GPa
Izod
Impact (ft-lb/in of notch)
ASTM D256A
1.0 to 1.3 ft lb/in of notch
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Izod
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Hardness
Rockwell ASTM D785
M69
Shore D65 ASTM
D2240/D2583
---
Coefficient
of Linear Thermal Expansion
(10 exp-6 )in/in/C
56
(10 x exp –6) in/in /C
0.000 056 in/in /C
Deflection
Temperature under flexural load (F)
ASTM D648
264 psi ---
345 F
66 psi ---
358 F
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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
1.24 to 1.25
To go to Density /Specific Gravity Values,
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Density
Water
Absorption
(1/8 in thick specimen) (%)
ASTM D570
24 hr --- 0.3 %
Saturation --- 0.8 %
Dielectric Strength v/mil
(1/8 in thick Specimen; short time)
425 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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