Polyphenylene Sulfide (PPS)
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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)
--- gm /10 min
Melting
Temperature degrees C
Tm Crystalline
285 to 290 C
Glass
Transition
(C)
Tg (Amorphous)
88 C
Processing
Temperature
Range Degrees F
Extrusion
590 to 640 F; Injection Molding
Molding
Pressure Range ( PSI) (ksi)
5000 to 15000 psi
5 to 15 ksi
33 to 100 MPa
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Compression
Ratio
2 to 3
Mold(Linear)
Shrinkage (in/in)
ASTM D955
0.006 to 0.014 in/in
Tensile
Strength at Break
ASTM D638
7000 to 12500 psi
47 to 83 MPa
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Elongation
at break (%)
ASTM D638
1 to 6 %
Tensile
Yield Strength (psi)
ASTM D638
--- psi
--- MPa
Compressive
Strength (psi)
Rupture or Yield
ASTM
D695
16000 psi
107 MPa
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Compressive Strength
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Flexural
Strength (psi)
Rupture or Yield
ASTM D790
14000 to 21000 psi
93 to 140 MPa
Tensile
Modulus (psi)
ASTM D638
480000 psi
3.2 GPa
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Modulus
Compressive
Modulus (psi)
ASTM
D695
--- psi
--- GPa
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Flexural
Modulus (psi)
ASTM D790
At 73 F
550000 to 600000 psi
3.7 to 4.0 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
< 0.5 ft lb/in of notch
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Izod
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Hardness
Rockwell ASTM D785
R123 to 125
--
Shore D65 ASTM
D2240/D2583
---
Coefficient
of Linear Thermal Expansion
(10 exp-6 )in/in/C
27 to 49 (10 x exp –6) in/in /C
0.000 027 to 0.000 049 in/in /C
Deflection
Temperature under flexural load (F)
ASTM D648
264 psi ---
212 to 275 F
66 psi ---
390 F
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Thermal
Conductivity
(10 x exp –4)al cm/sec cm2 C
ASTM C177
2.0 to 6.9 (10 x exp –4) cal cm/sec cm2
0.00020 to 0.00069 cal cm/sec cm2
Specific
Gravity
ASTM D792
1.35
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Density
Water
Absorption
(1/8 in thick specimen) (%)
ASTM D570
24 hr --- 0.01 to 0.07 %
Saturation
--- %
Dielectric Strength v/mil
(1/8 in thick Specimen; short time)
380 to 450 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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