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Ensinger PEI

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LG Chemical LUSEP HN2357 PPA+GF35%, Injection Molding
Categories: Polymer; Thermoplastic; Polyphthalamide (PPA); Polyphthalamide (PPA), 40% Glass Fiber Reinforced
Material Notes: High temperature, High stiffness

Application: Automotive, E&E Part

Information provided by LG Chemical
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Physical PropertiesOriginal ValueComments
Density 1.46 g/ccASTM D792
Moisture Absorption 0.20 %
@Time 86400 sec		50% RH; ASTM D570
Linear Mold Shrinkage, Flow 0.0033 cm/cm
@Thickness 2.00 mm		ASTM D955
Linear Mold Shrinkage, Transverse 0.0067 cm/cm
@Thickness 2.00 mm		ASTM D955
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 210 MPa
@Thickness 3.20 mm		5mm/min; ASTM D638
Elongation at Break 2.2 %
@Thickness 3.20 mm		5mm/min; ASTM D638
Flexural Strength 310 MPa
@Thickness 3.20 mm		1.3mm/min; ASTM D790
Flexural Modulus 122000 kg(f)/cm²
@Thickness 3.20 mm		1.3mm/min; ASTM D790
Izod Impact, Notched 11.2 kg-cm/cm
@Thickness 3.20 mm		ASTM D256
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+14 ohm-cmASTM D257
Dielectric Strength 27.0 kV/mm
@Thickness 1.00 mm		ASTM D149
Comparative Tracking Index 600 VSolution A; IEC 60112
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 21.0 µm/m-°CASTM D696
CTE, linear, Transverse to Flow 94.0 µm/m-°CASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 285 °C
@Thickness 6.40 mm		Unannealed; ASTM D648
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 310 - 330 °C
Middle Barrel Temperature 320 - 340 °C
Front Barrel Temperature 320 - 340 °C
Nozzle Temperature 320 - 340 °C
Melt Temperature 330 °C
Mold Temperature 100 - 140 °C
Drying Temperature 100 - 120 °C
@Time 14400 - 18000 sec
Moisture Content 0.060 - 0.10 %
Back Pressure 150 - 300 MPa
Screw Speed 50 - 150 rpm

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PLHCHEM9842 / 239358

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