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Westlake Plastics Polyethersulfone

Category Polymer , Thermoplastic , Polyethersulfone (PES)
Manufacturer Westlake Plastics
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Westlake Plastics Polyethersulfone.pdf
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Material Notes:
High resistance to heat and combustibility, low smoke emission, and transparency are the combination of properties possessed by stock shapes extruded from PES. These, coupled with light weight, good impact resistance, dimensional stability, and chemical resistance, make stock shapes extruded from PES resin useful in the electrical/electronics, aerospace/aircraft, automotive, and mass transit industries. PES stock shapes are also applicable for heat and fire safety, food service, and hospital and health care items. Information provided by Westlake Plastics.
Physical Properties Metric English Comments
Density 1.37 g/cc
0.0495 lb/in³
ASTM D792
Water Absorption 1.85 %
1.85 %
ASTM D570; 24 hrs.
Mechanical Properties Metric English Comments
Hardness, Rockwell R 127
127
ASTM D7852
Tensile Strength, Yield 82.7 MPa
12000 psi
ASTM D638
Elongation at Break 50 - 100 %
50 - 100 %
ASTM D638
Elongation at Yield 5.5 %
5.5 %
ASTM D638
Tensile Modulus 2.65 GPa
385 ksi
ASTM D638
Flexural Yield Strength 111 MPa
16100 psi
ASTM D790
Flexural Modulus 2.90 GPa
420 ksi
ASTM D790
Compressive Yield Strength 100 MPa
14500 psi
ASTM D695
Compressive Modulus 2.68 GPa
388 ksi
ASTM D695
Izod Impact, Notched 0.854 J/cm
1.60 ft-lb/in
ASTM D256
Izod Impact, Unnotched NB
NB
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 48.6 µm/m-°C

@Temperature 20.0 °C
27.0 µin/in-°F

@Temperature 68.0 °F
ASTM D696
Thermal Conductivity 0.163 W/m-K
1.13 BTU-in/hr-ft²-°F
ASTM C177
Deflection Temperature at 0.46 MPa (66 psi) 214 °C
417 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 204 °C
399 °F
ASTM D648
Flammability, UL94 V-0

@Thickness 0.787 mm
V-0

@Thickness 0.0310 in
Oxygen Index 39.3 %
39.3 %
ASTM D2863
Optical Properties Metric English Comments
Haze 8.0 %
8.0 %
ASTM D1746
Transmission, Visible 76 %
76 %
ASTM D1746
Electrical Properties Metric English Comments
Volume Resistivity 1.70e+15 ohm-cm
1.70e+15 ohm-cm
ASTM D257
Dielectric Constant 3.5

@Frequency 1000 Hz
3.5

@Frequency 1000 Hz
ASTM D150
Dielectric Strength 15.0 kV/mm
380 kV/in
ASTM D149
Dissipation Factor 0.0022

@Frequency 1000 Hz
0.0022

@Frequency 1000 Hz
ASTM D150
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