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PRODUCTS

Compression Molded
High Performance Films
ECTFE Film
PES Film
PVDF Film
Tempalux® Film
Thermalux® Film
TPX® Film
Chemical Resistance
Static Control
High Performance
Medical
Engineering

  Compression Molded Products Image

polyethersulfone

Download Datasheet (pdf 49kb)

PES film possesses a combination of properties such as high resistance to heat and combustibility, low smoke emission and transparency. These coupled with light weight, high tear initiation and propagation strength, dimensional stability, chemical resistance and thermoformability make the film particularly useful in electrical, aerospace, automotive, and mass trasit industries.

The following physical property information is based on typical values of the base Ultrason E resin as well as test results obtained from actual film testing.

PES Film

Applications Include:
Liquid crystal displays
Radomes
Magnet wire insulation
Hot melt adhesives
Flex circuitry
High temperature labels

Advantages of PES Film
High heat deflection and continuous use temperature
Exceptional tensile and flexural strength
High dielectric strength
Exceptional mechanical properties
Dimensionally stable at varying temperatures
Transparency
Hydrolytically stable

Manufacturing Capabilities:
Thicknesses and Widths:
.001" to .010" up to 27" wide
.011" to .029" up to 26" wide
Finishes:
all thicknesses available polished onernside, matte the other (P/M)

*In addition to our standard capabilities, Westlake also has the ability to process custom resins in various sizes and colors with some exceptions.

Ultrason is a Trademark of BASF Corporation.
BONDiT is a Registered Trademark of RELTEK LLC.

 
Electrical PropertiesTest MethodResult
 MetricEnglish
Surface Resistivity
ASTM D257
> 1014 Ohms
> 1014 Ohms
Dielectric Strength at 0.003
ASTM D149
181 V/μm
4600 V/mil
Dielectric Constant
ASTM D150
3.5 1 kHz
3.5 1 kHz
Dissipation Factor
ASTM D150
0.011 10 kHz
0.011 10 kHz
 
Mechanical PropertiesTest MethodResult
 MetricEnglish
Tensile Strength at yield
ASTM D882
72 MPa
10.5 kpsi
Elongation at break
ASTM D882
52 %
52 %
Tensile Modulus
ASTM D882
MPa
kpsi
Flexural Modulus
ASTM D790
2551 MPa
370 kpsi
Tear Strength - prop.
ASTM D1004
 
Other PropertiesTest MethodResult
 MetricEnglish
Specific Gravity
ASTM D792
1.37
1.37
Water Absorption at 24 hours
ASTM D570
0.7 %
0.7 %
Refractive Index
-
1.65
1.65
Haze
ASTM D1003
%
%
Area Factor
-
20000 in2/lb/mil
 
Thermal PropertiesTest MethodResult
 MetricEnglish
Continious Use Temp. - UL
-
180 °C
356 °F
Heat Deflection Temp. at 264 psi
ASTM D648
195 °C
383 °F
Melt Temp - DSC
-
°C
°F
Glass Transition Temp.
ASTM D3418
225 °C
437 °F
UL Rating - UL94
-
L.O.I.
ASTM D2862
38 %
38 %
NBS Smoke
ASTM E662
DMax
DMax
 
 
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