Polyethersulphone (PES) Granules (SU306311)

Alternative and trade names
Polyethersulphone (PES) Granules (SU306311)


Polyethersulphone (PES) Granules are unfilled, having higher viscosity injection molding and extrusion PESU grade, tougher and with improved chemical resistance.



Density ρ

1.37 g/cm³ at 20 °C

ISO 1183

Melt mass-flow rate MFR

48.27 g/10min at 360 °C

ISO 1183

Shrinkage cshrink

0.85 % at 20 °C

ISO 294-4

Shrinkage, transverse cshrink, trans

0.9 % at 20 °C

ISO 294-4

Water absorption, equilibrium cwater,equib

0.8 % at 23 °C

ISO 62, 50%RH

Water absorption, saturation cwater,sat

2.2 % at 23 °C

ISO 62


Elastic modulus E

2.65 GPa at 23 °C

ISO 527-2

Impact strength, Charpy notched Ivnot

8 kJ/m² at 20 °C

ISO 179

Impact strength, Izod notched IIzod,not

8 kJ/m² at 20 °C

ISO 180

Yield strength YS

85 MPa at 20 °C

ISO 527-2


Coefficient of thermal expansion α

5.2E-5 1/K at 20 °C

Electrical relative temperature index RTIel

180 °C

UL 746 (1.6mm, 3.0mm)


UL 94 V-0 (1.6mm, 3.0mm)

Heat deflection temperature, 1.80 MPa HDT1.8,MPa

207 °C

ISO 75-2/A

Mechanical impact relative temperature index RTIimp

180 °C

UL 746 (1.6mm, 3.0mm)

Mechanical strength relative temperature index RTIstr

190 °C

UL 746 (1.6mm, 3.0mm)


Comparative tracking index CTI

125 V at 20 °C

IEC 60112

Dielectric constant, 100Hz εr,100Hz

3.9 [-] at 20 °C

IEC 60250

Dielectric constant, 1MHz εr,1MHz

3.8 [-] at 20 °C

IEC 60250

Dielectric strength EDS

34 kV/mm at 20 °C

IEC 60243 1

Dissipation factor, 1MHz ε''1MHz

0.01 [-] at 20 °C

IEC 60250

Electrical resistivity ρel

1.00E+13 Ω·m at 20 °C

IEC 60093

Sheet resistivity ρel,sheet

1.00E+15 Ω/sq at 20 °C

IEC 60093

Technological properties


EC 1907/2006 (REACH)


The key features are: Chemical resistance, good toughness, high viscosity

This material data has been provided by Goodfellow.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.