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Ensinger PEI

Celanese VECTRA MT4350 LCP, 40% Medical Technology
Categories: Polymer; Thermoplastic; Liquid Crystal Polymer (LCP); Liquid Crystal Polymer (LCP), 40% Glass Fiber Filled
Material Notes: Mineral filled grade with low warp, easy flow and smooth surface appearance.

Information provided by Celanese
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Physical PropertiesMetricEnglishComments
Density 1.74 g/cc0.0629 lb/in³ISO 1183
Linear Mold Shrinkage, Flow 0.00 cm/cm0.00 in/inISO 294-4
Linear Mold Shrinkage, Transverse 0.0050 cm/cm0.0050 in/inISO 294-4
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 105 MPa15200 psi5mm/min; ISO 527-2/1A
Elongation at Break 3.2 %3.2 %5mm/min; ISO 527-2/1A
Tensile Modulus 9.80 GPa1420 ksi50mm/min; ISO 527-2/1A
Flexural Strength 125 MPa18100 psiISO 178
Flexural Modulus 10.0 GPa1450 ksiISO 178
Izod Impact, Notched (ISO) 5.20 kJ/m²2.47 ft-lb/in²ISO 180/1A
 35.0 kJ/m²
@Temperature 23.0 °C		16.7 ft-lb/in²
@Temperature 73.4 °F		ISO 180/1U
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmIEC 60093
Surface Resistance 1.00e+15 ohm1.00e+15 ohmIEC 60093
Dielectric Constant 3.6
@Frequency 1e+6 Hz		3.6
@Frequency 1e+6 Hz		IEC 60250
Dielectric Strength 46.0 kV/mm1170 kV/inIEC 60243-1
Dissipation Factor 0.031
@Frequency 1e+6 Hz		0.031
@Frequency 1e+6 Hz		IEC 60250
Comparative Tracking Index 200 V200 VIEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 11.0 µm/m-°C6.11 µin/in-°FISO 11359-2
CTE, linear, Transverse to Flow 11.0 µm/m-°C6.11 µin/in-°FISO 11359-2
Melting Point 335 °C635 °F10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi) 230 °C446 °FISO 75-1, -2
Flammability, UL94 V-0
@Thickness 1.50 mm		V-0
@Thickness 0.0591 in
 
Processing PropertiesMetricEnglishComments
Processing Temperature 80.0 - 120 °C176 - 248 °Fcavity
 335 - 345 °C635 - 653 °Fhot runner
Feed Temperature 60.0 - 80.0 °C140 - 176 °F
Zone 1 315 - 325 °C599 - 617 °F
Zone 2 320 - 330 °C608 - 626 °F
Zone 3 325 - 335 °C617 - 635 °F
Zone 4 330 - 340 °C626 - 644 °F
Die Temperature 335 - 345 °C635 - 653 °F
Melt Temperature 335 - 345 °C635 - 653 °F
Drying Temperature >= 170 °C>= 338 °F
Dry Time 4.00 - 6.00 hour4.00 - 6.00 hour
Moisture Content <= 0.010 %<= 0.010 %
Injection Pressure 50.0 - 150 MPa7250 - 21800 psi
Hold Pressure 50.0 - 150 MPa7250 - 21800 psi
Back Pressure <= 3.00 MPa<= 435 psi
Screw Speed  80 rpm
@Diameter 40.0 mm		80 rpm
@Diameter 1.57 in
 140 rpm
@Diameter 25.0 mm		140 rpm
@Diameter 0.984 in
 200 rpm
@Diameter 16.0 mm		200 rpm
@Diameter 0.630 in
 
Descriptive Properties
Injection speedvery fast

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