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Celanese CoolPoly® E4301 Thermally Conductive Polybutylene Terephthalate
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)

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.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.41 g/ccISO 1183
Linear Mold Shrinkage 0.0030 - 0.0060 cm/cmASTM D551
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 17.0 MPaISO 527-1
Elongation at Break 3.0 %ISO 527-1
Tensile Modulus 3.40 GPaISO 527-1
 
Thermal PropertiesOriginal ValueComments
Specific Heat Capacity 1.27 J/g-°CASTM E1461
Thermal Conductivity 14.0 W/m-KASTM E1461
 
Processing PropertiesOriginal ValueComments
Rear Barrel Temperature 200 - 210 °C
Middle Barrel Temperature 204 - 227 °C
Front Barrel Temperature 216 - 238 °C
Melt Temperature 216 - 238 °C
Mold Temperature 27.0 - 66.0 °C
Drying Temperature 82.0 °C
Dry Time 4 hour
Dew Point -18.0 °C
Injection Pressure 35.0 - 82.0 MPa
Hold Pressure 14.0 - 28.0 MPa
Back Pressure 0.000 - 0.350 MPa
Screw Speed 40 - 100 rpm

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
Celanese Coolpoly® D1202 Thermally Conductive Polypropylene
Celanese CoolPoly® E4501 Thermally Conductive Polycarbonate
Celanese Coolpoly® D4302 Thermally Conductive Polybutylene Terephthalate
Celanese CoolPoly® E1201 Thermally Conductive Polypropylene
Celanese CoolPoly® E3603 Thermally Conductive Polyphthalamide (PPA)

PCOOL32 / 29024

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