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Ensinger PEI

Celanese Vectra® C550 Liquid Crystal Polymer (LCP), 50% Mineral Filled
Categories: Polymer; Thermoplastic; Liquid Crystal Polymer (LCP); Liquid Crystal Polymer (LCP), Mineral Filled

Material Notes:

Information provided by Celanese Corporation.

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Physical PropertiesMetricEnglishComments
Density 1.89 g/cc0.0683 lb/in³ISO 1183
Water Absorption 0.020 %0.020 %Immersion to equilibrium; ISO 62
Moisture Absorption at Equilibrium 0.020 %0.020 %ISO 62
Linear Mold Shrinkage 0.0030 cm/cm0.0030 in/in
Linear Mold Shrinkage, Transverse 0.0040 cm/cm0.0040 in/in
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 115 MPa16700 psiISO 527
Elongation at Break 2.4 %2.4 %IEC 527
Tensile Modulus 19.0 GPa2760 ksiISO 527
Flexural Strength 170 MPa24700 psiISO 178
Flexural Modulus 17.0 GPa2470 ksiISO 178
Compressive Strength 95.0 MPa13800 psi1% Deflection, ISO 604
Compressive Modulus 16.5 GPa2390 ksiISO 604
Izod Impact, Notched (ISO) 5.00 kJ/m²2.38 ft-lb/in²ISO 180/1A
Charpy Impact, Notched 0.400 J/cm²1.90 ft-lb/in²ISO 179
Tensile Impact Strength 50.0 kJ/m²23.8 ft-lb/in²Notched; ASTM D1822
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+12 ohm-cm1.00e+12 ohm-cmIEC 93
Surface Resistance 1.00e+16 ohm1.00e+16 ohmIEC 93
Dielectric Constant  3.7
@Frequency 1e+7 Hz
3.7
@Frequency 1e+7 Hz
 4.0
@Frequency 1000 Hz
4.0
@Frequency 1000 Hz
IEC 250
Dissipation Factor  0.0070
@Frequency 1e+7 Hz
0.0070
@Frequency 1e+7 Hz
 0.020
@Frequency 1000 Hz
0.020
@Frequency 1000 Hz
IEC 250
Arc Resistance 183 sec183 sec
Comparative Tracking Index 225 V225 VIEC 112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 1.00 µm/m-°C
@Temperature -50.0 - 200 °C
0.556 µin/in-°F
@Temperature -58.0 - 392 °F
CTE, linear, Transverse to Flow 60.0 µm/m-°C
@Temperature -50.0 - 200 °C
33.3 µin/in-°F
@Temperature -58.0 - 392 °F
Melting Point 325 °C617 °FISO 3146
Maximum Service Temperature, Air 130 °C266 °FGeneric Rating for Vectra LCP
Deflection Temperature at 1.8 MPa (264 psi) 225 °C437 °FISO 75/A
UL RTI, Electrical 130 °C266 °FGeneric Rating for Vectra LCP
UL RTI, Mechanical with Impact 130 °C266 °FGeneric Rating for Vectra LCP

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