Celanese CoolPoly® E1201 Thermally Conductive Polypropylene

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Celanese CoolPoly® E1201 Thermally Conductive Polypropylene
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
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 E1201 is a thermally conductive injection molding resin based on a polypropylene matrix. CoolPoly E1201 is electrically conductive. Thermally conductive polymers like CoolPoly E1201 cool faster than standard injection molding grade resins. Information provided by Cool Polymers, Inc. Celanese acquired Cool Polymers in 2014.
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Physical Properties	Original Value	Comments

Density	1.20 g/cc	ISO 1183
Water Absorption	0.030 %	ISO 62
Linear Mold Shrinkage	0.0050 - 0.0080 cm/cm	ASTM D551

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	20.0 MPa	ISO 527-1
Elongation at Break	0.80 %	ISO 527-1
Tensile Modulus	3.65 GPa	ISO 527-1
Flexural Strength	35.0 MPa	ISO 178
Flexural Modulus	4.20 GPa	ISO 178
Charpy Impact Unnotched	0.500 J/cm²	ISO 179-1
Charpy Impact, Notched	0.350 J/cm²	ISO 179-1

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.50 J/g-°C	ASTM E1461
Thermal Conductivity	10.0 W/m-K	ASTM E1461

Processing Properties	Original Value	Comments
Rear Barrel Temperature	190 - 220 °C
Middle Barrel Temperature	210 - 230 °C
Front Barrel Temperature	215 - 245 °C
Melt Temperature	215 - 245 °C
Mold Temperature	20.0 - 65.0 °C
Drying Temperature	80.0 °C
Dry Time	1 - 2 hour
Dew Point	-20.0 °C
Injection Pressure	35.0 - 105 MPa
Hold Pressure	20.0 - 55.0 MPa
Back Pressure	0.000 - 0.350 MPa
Screw Speed	20 - 60 rpm

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