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Ensinger PEI

Unitika UM-8430RG
Categories: Polymer; Thermoplastic; Polyarylate

Material Notes: Characteristics:
  • High dimensional accuracy (circularity and planarity)
  • Large warping resistance
  • Low linear expansion coefficient

Information provided by Unitika Ltd.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.51 g/cc0.0546 lb/in³ASTM D792
Linear Mold Shrinkage, Flow 0.0030 cm/cm
@Thickness 3.00 mm
0.0030 in/in
@Thickness 0.118 in
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 116116ASTM D785
Tensile Strength at Break 63.0 MPa9140 psiASTM D638
Elongation at Break 16 %16 %ASTM D638
Flexural Strength 106 MPa15400 psiASTM D790
Flexural Modulus 4.30 GPa624 ksiASTM D790
Izod Impact, Notched 0.430 J/cm
@Thickness 3.17 mm
0.806 ft-lb/in
@Thickness 0.125 in
ASTM D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 5.00e+13 ohm-cm5.00e+13 ohm-cmASTM D257
Dielectric Strength 17.0 kV/mm432 kV/inASTM D149
 
Thermal PropertiesMetricEnglishComments
CTE, linear 23.0 µm/m-°C12.8 µin/in-°FASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 100 °C212 °FASTM D648
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 230 - 250 °C446 - 482 °F
Middle Barrel Temperature 240 - 260 °C464 - 500 °F
Front Barrel Temperature 250 - 270 °C482 - 518 °F
Nozzle Temperature 250 - 270 °C482 - 518 °F
Mold Temperature 70.0 - 90.0 °C158 - 194 °Factual surface temp
Drying Temperature 100 °C212 °F
Dry Time 10.0 - 24.0 hour10.0 - 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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