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Ensinger PEI

Celanese VECTRA V143LC LCP, 40% Specialty
Categories: Polymer; Thermoplastic; Liquid Crystal Polymer (LCP); Liquid Crystal Polymer (LCP), 40% Glass Fiber Filled

Material Notes: High Weldline strength, low warpage, 40% glass reinforced.
VECTRA should in principle be predried. Because of the necessary low maximum residual moisture content the use of dry air dryers is recommended. The dew point should be =< - 40° C. The time between drying and processing should be as short as possible.
For subsequent storage of the material in the dryer until processed the temperature does not need to be lowered for grades A, B, C, D and V (<= 24 h).

Information provided by Celanese Corporation.

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Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 145 MPa21000 psi5mm/min; ISO 527-2/1A
Tensile Modulus 16.0 GPa2320 ksi1mm/min; ISO 527-2/1A
Flexural Strength 225 MPa32600 psiISO 178
Flexural Modulus 15.5 GPa2250 ksiISO 178
 
Thermal PropertiesMetricEnglishComments
Melting Point 335 °C635 °FISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi) 265 °C509 °FISO 75-1, -2
 
Processing PropertiesMetricEnglishComments
Processing Temperature 20.0 - 40.0 °C68.0 - 104 °Fhopper
 80.0 - 130 °C176 - 266 °Fcavity
Feed Temperature 60.0 - 80.0 °C140 - 176 °F
Zone 1 315 - 325 °C599 - 617 °F
Zone 2 325 - 335 °C617 - 635 °F
Zone 3 330 - 350 °C626 - 662 °F
Zone 4 335 - 355 °C635 - 671 °F
Die Temperature 335 - 345 °C635 - 653 °F
Melt Temperature 335 - 345 °C635 - 653 °F
Drying Temperature 150 °C302 °F
Dry Time 6 - 24.0 hour6 - 24.0 hour
Moisture Content 0.010 %0.010 %Necessary low maximum
Injection Pressure 50.0 - 150.0 MPa7250 - 21750 psi
Hold Pressure 50.0 - 150.0 MPa7250 - 21750 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
Hot-Working Temperature 335 - 345 °C635 - 653 °F
 
Descriptive Properties
Injection speedvery fast

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