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Celanese Celanex® 4306 PBT, 30% Glass Reinforced
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes: Celanex 4306 is a 30% glass reinforced, toughened, low warpage thermoplastic polyester.

Information provided by Celanese
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.50 g/cc1.50 g/ccASTM D792
Density 1.50 g/cc0.0542 lb/in³ISO 1183
Water Absorption 0.10 %
@Temperature 22.8 °C		0.10 %
@Temperature 73.0 °F		24hr immersion; ASTM D570
Linear Mold Shrinkage, Flow 0.0040 - 0.0060 cm/cm0.0040 - 0.0060 in/inISO 294-4
 0.0040 - 0.0060 cm/cm0.0040 - 0.0060 in/inASTM D955
Melt Flow 10 g/10 min10 g/10 minASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 7373ISO 2039-2
Tensile Strength at Break 120 MPa17400 psi5mm/min; ISO 527-2/1A
 121 MPa17500 psiASTM D638
Elongation at Break 2.9 %2.9 %5mm/min; ISO 527-2/1A
 3.0 %3.0 %ASTM D638
Tensile Modulus 9.20 GPa1330 ksi50mm/min; ISO 527-2/1A
Flexural Strength 179 MPa26000 psiASTM D790
 180 MPa26100 psiISO 178
Flexural Modulus 8.27 GPa1200 ksiASTM D790
 8.50 GPa1230 ksiISO 178
Izod Impact, Notched 1.07 J/cm2.00 ft-lb/inASTM D256
Izod Impact, Notched (ISO) 12.0 kJ/m²5.71 ft-lb/in²ISO 180/1A
Charpy Impact Unnotched 6.00 J/cm²28.6 ft-lb/in²ISO 179/1eU
 4.50 J/cm²
@Temperature -30.0 °C		21.4 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eU
Charpy Impact, Notched 1.19 J/cm²5.66 ft-lb/in²ISO 179/1eA
 1.10 J/cm²
@Temperature -30.0 °C		5.23 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eA
 
Electrical PropertiesMetricEnglishComments
Dielectric Strength 19.3 kV/mm490 kV/inshort term; ASTM D149
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 20.0 µm/m-°C11.1 µin/in-°FISO 11359-2
CTE, linear, Transverse to Flow 87.0 µm/m-°C48.3 µin/in-°FISO 11359-2
Melting Point 225 °C437 °FASTM D3418
 225 °C437 °F10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 0.46 MPa (66 psi) 210 °C410 °FISO 75-1, -2
 223 °C433 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 164 °C327 °FISO 75-1, -2
 209 °C408 °FASTM D648
Flammability, UL94 HBHB
 
Processing PropertiesMetricEnglishComments
Processing Temperature 65.0 - 93.0 °C149 - 199 °Fcavity
 250 - 260 °C482 - 500 °Fhot runner
Feed Temperature 230 - 240 °C446 - 464 °F
Zone 1 230 - 240 °C446 - 464 °F
Zone 2 235 - 250 °C455 - 482 °F
Zone 3 235 - 250 °C455 - 482 °F
Zone 4 240 - 260 °C464 - 500 °F
Die Temperature 250 - 260 °C482 - 500 °F
Melt Temperature 235 - 260 °C455 - 500 °F
 260 °C500 °FISO 294
Mold Temperature 82.0 °C180 °FISO 294
Injection Velocity 300 mm/sec11.8 in/secISO 294
Drying Temperature 120 - 130 °C248 - 266 °F
Dry Time 4.00 hour4.00 hour
Moisture Content <= 0.020 %<= 0.020 %
Hold Pressure 48.0 MPa6960 psiISO 294
 
Descriptive Properties
Injection moldingYes
Injection speedmedium-fast
Processing conditions acc. ISO7792-2

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PHCQ071 / 178526

Specialty Compounds RTP Company




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