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Ensinger PEI

Unitika UG-100-20 Engineering Plastic
Categories: Polymer; Thermoplastic; Polyarylate

Material Notes: Excellent creep resistance, dimensional stability at high temperature

Information provided by Unitika Ltd.

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Physical PropertiesMetricEnglishComments
Density 1.36 g/cc0.0491 lb/in³ASTM D792
Water Absorption 0.24 %
@Thickness 3.17 mm,
Time 86400 sec
0.24 %
@Thickness 0.125 in,
Time 24.0 hour
ASTM D570
Linear Mold Shrinkage, Flow 0.0020 cm/cm
@Thickness 3.00 mm
0.0020 in/in
@Thickness 0.118 in
Linear Mold Shrinkage, Transverse 0.0010 - 0.0020 cm/cm
@Thickness 3.00 mm
0.0010 - 0.0020 in/in
@Thickness 0.118 in
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 122122ASTM D785
Tensile Strength at Break 99.0 MPa14400 psiASTM D638
Elongation at Break 4.5 %4.5 %ASTM D638
Flexural Strength 157 MPa22800 psiASTM D790
Flexural Modulus 2.50 GPa363 ksiASTM D790
Izod Impact, Notched 0.490 J/cm
@Thickness 3.17 mm
0.918 ft-lb/in
@Thickness 0.125 in
ASTM D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 4.60e+14 ohm-cm4.60e+14 ohm-cmASTM D257
Dielectric Constant 3.0
@Frequency 1e+6 Hz
3.0
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 35.0 kV/mm889 kV/inASTM D149
Dissipation Factor 0.015
@Frequency 1e+6 Hz
0.015
@Frequency 1e+6 Hz
ASTM D150
Arc Resistance 120 sec120 secASTM D495
 
Thermal PropertiesMetricEnglishComments
CTE, linear 21.0 µm/m-°C11.7 µin/in-°FASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 180 °C356 °FASTM D648
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 310 - 330 °C590 - 626 °F
Middle Barrel Temperature 340 - 360 °C644 - 680 °F
Front Barrel Temperature 350 - 370 °C662 - 698 °F
Nozzle Temperature 350 - 370 °C662 - 698 °F
Mold Temperature 120 - 140 °C248 - 284 °Factual surface temp
Drying Temperature 140 °C284 °F
Dry Time 6.00 - 24.0 hour6.00 - 24.0 hour
Back Pressure 0.490 - 1.47 MPa71.1 - 213 psigage pressure

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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