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Ensinger PEI

Idemitsu Kosan Xarec® WA 550 SPS, 30% Glass Filled  (discontinued **)
Categories: Polymer; Thermoplastic; Polystyrene (PS); Syndiotactic Polystyrene (SPS); Syndiotactic Polystyrene (SPS) with Glass or Carbon Fiber

Material Notes: Crystalline Polymer, Glass Filled. Used in Automotive and Industrial applications

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 1.27 g/cc0.0459 lb/in³
Filler Content 30 %30 %
Moisture Absorption 0.010 %0.010 %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 - 0.0060 cm/cm0.0030 - 0.0060 in/in
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 135 MPa19600 psi
Elongation at Break 1.8 %1.8 %
Tensile Modulus 10.0 GPa1450 ksi
Flexural Yield Strength 200 MPa29000 psi
Flexural Modulus 9.80 GPa1420 ksi
Izod Impact, Notched (ISO) 12.0 kJ/m²5.71 ft-lb/in²
Izod Impact, Unnotched (ISO) 39.0 kJ/m²18.6 ft-lb/in²
Charpy Impact Unnotched 4.70 J/cm²22.4 ft-lb/in²
Charpy Impact, Notched 1.30 J/cm²6.19 ft-lb/in²
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cm
Dielectric Constant 3.13.1
Dielectric Strength 25.0 kV/mm635 kV/inASTM D145
Dissipation Factor 0.00100.0010IEC 60250
Arc Resistance 120 - 180 sec120 - 180 secASTM D495
Comparative Tracking Index 400 - 600 V400 - 600 VIEC 60112
Hot Wire Ignition, HWI 60 - 120 sec
@Thickness 1.50 mm
60 - 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 20.0 µm/m-°C
@Temperature -30.0 - 30.0 °C
11.1 µin/in-°F
@Temperature -22.0 - 86.0 °F
CTE, linear, Transverse to Flow 44.0 µm/m-°C24.4 µin/in-°F
Deflection Temperature at 0.46 MPa (66 psi) 270 °C518 °F
Deflection Temperature at 1.8 MPa (264 psi) 250 °C482 °F
UL RTI, Electrical 120 °C248 °FUL746B
UL RTI, Mechanical with Impact 105 °C221 °FUL746B
UL RTI, Mechanical without Impact 105 °C221 °FUL746B
Flammability, UL94 HB
@Thickness 0.750 mm
HB
@Thickness 0.0295 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
 
Descriptive Properties
CommentsOptimized for heat & chemical resistance

**
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