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Ensinger PEI

Idemitsu Kosan Xarec® EA 543 SPS, 40% Glass Filled  (discontinued **)
Categories: Polymer; Thermoplastic; Polystyrene (PS); Syndiotactic Polystyrene (SPS); Syndiotactic Polystyrene (SPS) with Glass or Carbon Fiber

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Physical PropertiesMetricEnglishComments
Density 1.50 g/cc0.0542 lb/in³
Filler Content 40 %40 %
Moisture Absorption 0.020 %0.020 %24 hrs., 50% RH
Linear Mold Shrinkage, Flow 0.0010 - 0.0030 cm/cm0.0010 - 0.0030 in/in
Linear Mold Shrinkage, Transverse 0.0030 - 0.0070 cm/cm0.0030 - 0.0070 in/in
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 130 MPa18900 psi
Elongation at Break 1.6 %1.6 %
Tensile Modulus 12.9 GPa1870 ksi
Flexural Yield Strength 200 MPa29000 psi
Flexural Modulus 13.1 GPa1900 ksi
Izod Impact, Notched (ISO) 9.00 kJ/m²4.28 ft-lb/in²
Izod Impact, Unnotched (ISO) 26.0 kJ/m²12.4 ft-lb/in²
Charpy Impact Unnotched 2.90 J/cm²13.8 ft-lb/in²
Charpy Impact, Notched 1.10 J/cm²5.23 ft-lb/in²
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cm
Dielectric Constant 3.53.5
Dielectric Strength 35.0 kV/mm889 kV/inASTM D145
Dissipation Factor 0.00300.0030IEC 60250
Arc Resistance 60 - 120 sec60 - 120 secASTM D495
Comparative Tracking Index 250 - 400 V250 - 400 VIEC 60112
Hot Wire Ignition, HWI >= 120 sec
@Thickness 1.50 mm
>= 120 sec
@Thickness 0.0591 in
UL 746A
High Amp Arc Ignition, HAI >= 120 arcs
@Thickness 1.50 mm
>= 120 arcs
@Thickness 0.0591 in
UL 746A
High Voltage Arc-Tracking Rate, HVTR 0.000 - 10.0 mm/min0.000 - 0.394 in/minUL746A
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 16.0 µm/m-°C
@Temperature -30.0 - 30.0 °C
8.89 µin/in-°F
@Temperature -22.0 - 86.0 °F
CTE, linear, Transverse to Flow 29.0 µm/m-°C16.1 µin/in-°F
Deflection Temperature at 0.46 MPa (66 psi) 265 °C509 °F
Deflection Temperature at 1.8 MPa (264 psi) 245 °C473 °F
UL RTI, Electrical 125 °C257 °FUL746B
UL RTI, Mechanical with Impact 110 °C230 °FUL746B
UL RTI, Mechanical without Impact 110 °C230 °FUL746B
Flammability, UL94 V-0
@Thickness 1.50 mm
V-0
@Thickness 0.0591 in
 
Processing PropertiesMetricEnglishComments
Melt Temperature 280 - 310 °C536 - 590 °F
Mold Temperature 50.0 - 80.0 °C122 - 176 °F
 130 - 155 °C266 - 311 °FFor optimal surface finish

**
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