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Celanese Coolpoly® D4302 Thermally Conductive Polybutylene Terephthalate

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
Manufacturer Celanese Corporation
Trade Name Coolpoly®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Celanese Coolpoly® D4302 Thermally Conductive Polybutylene Terephthalate.pdf
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Material Notes:
CoolPoly D 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 D series is electrically non-conductive and can be used for its dielectric properties.CoolPoly D4302 is a thermally conductive injection molding resin based on a PBT matrix. CoolPoly D4302 is electrically insulative. Thermally conductive polymers like CoolPoly D4302 cool faster than standard injection molding grade resins.Information provided by Cool Polymers, Inc.
Physical Properties Metric English Comments
Density 1.47 g/cc
0.0531 lb/in³
ISO 1183
Linear Mold Shrinkage 0.0070 - 0.010 cm/cm
0.0070 - 0.010 in/in
ASTM D551
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 42.0 MPa
6090 psi
ISO 527-1
Elongation at Break 1.45 %
1.45 %
ISO 527-1
Tensile Modulus 6.00 GPa
870 ksi
ISO 527-1
Flexural Strength 61.0 MPa
8850 psi
ISO 178
Flexural Modulus 3.40 GPa
493 ksi
ISO 178
Charpy Impact Unnotched 2.40 J/cm²
11.4 ft-lb/in²
ISO 179-1
Charpy Impact, Notched 0.280 J/cm²
1.33 ft-lb/in²
ISO 179-1
Thermal Properties Metric English Comments
Specific Heat Capacity 1.31 J/g-°C
0.313 BTU/lb-°F
ASTM E1461
Thermal Conductivity 2.60 W/m-K
18.0 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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