PSU P
Chemical Designation
Polyphenylenesulphone
DIN Abbreviation
PPSU
Colour, Filler
honey yellow translucent
Stock Availabilty
Main Characteristics
Preferred Fields
Applications
MECHANICAL
Properties
Unit
Test method
DIN ASTM
Density
g/cm3
53 479
1.29
Tensile strength/ yield
MPa
53 455
70
Tensile strength/ break
MPa
53 455
Elongation / break
%
53 455
60
Modules of elasticity/tension
MPa
53 457
2340
Modules of elasticity/flexure
MPa
53 457
2600
Ball indentation hardness
MPa
53 456
Impact strength (charpy)
kJ/m2
53 453
no br.
Creep rupture strength /1000 hrs static load
MPa
Time yield 1% elongation/1000hrs
MPa
Coefficient of friction/ hardened & ground steel
-
Wear/ as above
mm/km
THERMAL
Properties
Unit
Test method
DIN ASTM
Crystaline melting point
ºC
53 736
Glass transition temperature
ºC
53 736
220
Heat distortion temperature Method A
ºC
ISO 75
216
Method B
ºC
ISO 75
214
Field33
Maximum service temperature short term
ºC
190
long term
ºC
170
Coefficient of thermal conductivity
W/(m.K)
0.35
Specific heat
J(g.K)
Coefficient of thermal expansion
10-5/K
5.5
ELECTRICAL
Properties
Unit
Test method
DIN ASTM
Dielectric constant at 105 HZ
53 483
3.45
Dielectric loss factor 105 HZ
S.cm
53 483
Specific volume resistance
S
53 482
>1E+15
Surface resistance
53 482
Dielectric strength 1 mm
KV/mm
53 481
15
Tracking resistance
53 480
MISCELLANEOUS
Properties
Unit
Test method
DIN ASTM
Moisture absorption
%
53 714
0.37
Water absorption at saturation at 23 §C
%
53 495
1.1
Resistance to hot water, washing soda
resistant
Flammibilty
UL 94
VO
Resistance to weathering
resistant,
Compliance