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Master Bond adhesives

Celanese Celanex® 4302 PBT, 30% Glass Reinforced
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes: Celanex 4302 is a 30% glass reinforced PBT designed for improved mold flow, warp resistance and surface appearance.

Information provided by Celanese
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.49 g/cc1.49 g/ccASTM D792
Density 1.49 g/cc0.0538 lb/in³ISO 1183
Moisture Absorption 0.150 %0.150 %23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow 0.0030 cm/cm0.0030 in/inASTM D955
 0.0020 - 0.0040 cm/cm0.0020 - 0.0040 in/inISO 294-4
Linear Mold Shrinkage, Transverse 0.0040 - 0.0060 cm/cm0.0040 - 0.0060 in/inISO 294-4
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 110 MPa16000 psiASTM D638
 120 MPa17400 psi5mm/min; ISO 527-2/1A
Elongation at Break 2.8 %2.8 %5mm/min; ISO 527-2/1A
 3.0 %3.0 %ASTM D638
Tensile Modulus 8.90 GPa1290 ksi50mm/min; ISO 527-2/1A
Flexural Strength 172 MPa25000 psiASTM D790
 190 MPa27600 psiISO 178
Flexural Modulus 7.58 GPa1100 ksiASTM D790
 8.70 GPa1260 ksiISO 178
Izod Impact, Notched 1.17 J/cm2.20 ft-lb/inASTM D256
Izod Impact, Notched (ISO) 13.9 kJ/m²6.61 ft-lb/in²ISO 180/1A
Charpy Impact Unnotched 5.60 J/cm²26.6 ft-lb/in²ISO 179/1eU
 4.10 J/cm²
@Temperature -30.0 °C		19.5 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eU
Charpy Impact, Notched 0.990 J/cm²4.71 ft-lb/in²ISO 179/1eA
 0.830 J/cm²
@Temperature -30.0 °C		3.95 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eA
 
Electrical PropertiesMetricEnglishComments
Dielectric Strength 21.1 kV/mm536 kV/inshort term; ASTM D149
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 18.0 µm/m-°C10.0 µin/in-°FISO 11359-2
CTE, linear, Transverse to Flow 125 µm/m-°C69.4 µin/in-°FISO 11359-2
Melting Point 225 °C437 °F10°C/min; ISO 11357-1,-2,-3
 225 °C437 °FASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 216 °C420 °FASTM D648
 218 °C424 °FISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi) 173 °C343 °FISO 75-1, -2
 173 °C344 °FASTM D648
Glass Transition Temp, Tg 55.0 °C131 °FISO 11357-1,-2,-3
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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PHCQ069 / 178524




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