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Celanese CoolPoly® E2 Thermally Conductive Liquid Crystalline Polymer

Category Polymer , Thermoplastic , Liquid Crystal Polymer (LCP)
Manufacturer Celanese Corporation
Trade Name Coolpoly®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Celanese CoolPoly® E2 Thermally Conductive Liquid Crystalline Polymer.pdf
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Material Notes:
CoolPoly E series of thermally conductive plastics transfers heat, a characteristic previously unavailable in injection molding grade polymers. CoolPoly is lightweight, netshape moldable and allows design freedom in applications previously restricted to metals. The E series is electrically conductive and provides inherent EMI/RFI shielding characteristics.CoolPoly E2 is a thermally conductive injection molding resin based on a liquid crystalline (LCP) matrix. CoolPoly E2 is electrically conductive. Thermally conductive polymers like CoolPoly E2 cool faster than standard injection molding grade resins.Information provided by Cool Polymers, Inc.Celanese acquired Cool Polymers in 2014.
Physical Properties Metric English Comments
Density 1.84 g/cc
0.0665 lb/in³
ISO 1183
Water Absorption 0.10 %
0.10 %
ISO 62
Linear Mold Shrinkage 0.0010 - 0.0030 cm/cm
0.0010 - 0.0030 in/in
ASTM D551
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 75.0 MPa
10900 psi
ISO 527-1
Elongation at Break 0.26 %
0.26 %
ISO 527-1
Tensile Modulus 20.0 GPa
2900 ksi
ISO 527-1
Flexural Strength 135 MPa
19600 psi
ISO 178
Flexural Modulus 32.0 GPa
4640 ksi
ISO 178
Charpy Impact Unnotched 0.500 J/cm²
2.38 ft-lb/in²
ISO 179-1
Charpy Impact, Notched 0.200 J/cm²
0.952 ft-lb/in²
ISO 179-1
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 8.20 µm/m-°C

@Temperature 20.0 °C
4.56 µin/in-°F

@Temperature 68.0 °F
ISO 11359-2
CTE, linear, Transverse to Flow 9.10 µm/m-°C

@Temperature 20.0 °C
5.06 µin/in-°F

@Temperature 68.0 °F
ISO 11359-2
Specific Heat Capacity 0.900 J/g-°C
0.215 BTU/lb-°F
ASTM E1461
Thermal Conductivity 20.0 W/m-K
139 BTU-in/hr-ft²-°F
ASTM E1461
Deflection Temperature at 0.46 MPa (66 psi) 260 °C
500 °F
ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 270 °C
518 °F
ISO 75-1/-2
Flammability, UL94 V-0

@Thickness 1.00 mm
V-0

@Thickness 0.0394 in
Electrical Properties Metric English Comments
Volume Resistivity 70 ohm-cm
70 ohm-cm
ASTM D257
Surface Resistivity per Square 1.0 ohm
1.0 ohm
ASTM D257
Processing Properties Metric English Comments
Rear Barrel Temperature 332 - 360 °C
630 - 680 °F
Middle Barrel Temperature 338 - 371 °C
640 - 700 °F
Front Barrel Temperature 343 - 382 °C
649 - 720 °F
Nozzle Temperature 349 - 382 °C
660 - 720 °F
Melt Temperature 349 - 393 °C
660 - 739 °F
Mold Temperature 93.0 - 177 °C
199 - 351 °F
Drying Temperature 180 °C
356 °F
Dry Time 2 - 4 hour
2 - 4 hour
Moisture Content 0.010 %
0.010 %
Dew Point -34.0 °C
-29.2 °F
Injection Pressure 103 - 138 MPa
14900 - 20000 psi
Hold Pressure 2.00 - 8.00 MPa
290 - 1160 psi
Back Pressure 0.000 - 0.350 MPa
0.000 - 50.8 psi
Screw Speed 75 - 150 rpm
75 - 150 rpm
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