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Celanese CoolPoly® E4301 Thermally Conductive Polybutylene Terephthalate

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
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® E4301 Thermally Conductive Polybutylene Terephthalate.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 E4301 is a thermally conductive injection molding resin based on a Polybutylene Terephthalate (PBT) matrix. CoolPoly E4301 is electrically conductive. Thermally conductive polymers like CoolPoly E4301 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 1.41 g/cc
0.0509 lb/in³
ISO 1183
Linear Mold Shrinkage 0.0030 - 0.0060 cm/cm
0.0030 - 0.0060 in/in
ASTM D551
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 17.0 MPa
2470 psi
ISO 527-1
Elongation at Break 3.0 %
3.0 %
ISO 527-1
Tensile Modulus 3.40 GPa
493 ksi
ISO 527-1
Thermal Properties Metric English Comments
Specific Heat Capacity 1.27 J/g-°C
0.304 BTU/lb-°F
ASTM E1461
Thermal Conductivity 14.0 W/m-K
97.2 BTU-in/hr-ft²-°F
ASTM E1461
Processing Properties Metric English Comments
Rear Barrel Temperature 200 - 210 °C
392 - 410 °F
Middle Barrel Temperature 204 - 227 °C
399 - 441 °F
Front Barrel Temperature 216 - 238 °C
421 - 460 °F
Melt Temperature 216 - 238 °C
421 - 460 °F
Mold Temperature 27.0 - 66.0 °C
80.6 - 151 °F
Drying Temperature 82.0 °C
180 °F
Dry Time 4 hour
4 hour
Dew Point -18.0 °C
-0.400 °F
Injection Pressure 35.0 - 82.0 MPa
5080 - 11900 psi
Hold Pressure 14.0 - 28.0 MPa
2030 - 4060 psi
Back Pressure 0.000 - 0.350 MPa
0.000 - 50.8 psi
Screw Speed 40 - 100 rpm
40 - 100 rpm
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