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Master Bond adhesives

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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 PropertiesOriginal ValueComments
Specific Gravity 1.49 g/ccASTM D792
Density 1.49 g/ccISO 1183
Moisture Absorption 0.150 %23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow 0.0030 cm/cmASTM D955
 0.0020 - 0.0040 cm/cmISO 294-4
Linear Mold Shrinkage, Transverse 0.0040 - 0.0060 cm/cmISO 294-4
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 120 MPa5mm/min; ISO 527-2/1A
 16000 psiASTM D638
Elongation at Break 2.8 %5mm/min; ISO 527-2/1A
 3.0 %ASTM D638
Tensile Modulus 8900 MPa50mm/min; ISO 527-2/1A
Flexural Strength 190 MPaISO 178
 25000 psiASTM D790
Flexural Modulus 8700 MPaISO 178
 1.10e+6 psiASTM D790
Izod Impact, Notched 2.20 ft-lb/inASTM D256
Izod Impact, Notched (ISO) 13.9 kJ/m²ISO 180/1A
Charpy Impact Unnotched 56.0 kJ/m²ISO 179/1eU
 41.0 kJ/m²
@Temperature -30.0 °C		ISO 179/1eU
Charpy Impact, Notched 9.90 kJ/m²ISO 179/1eA
 8.30 kJ/m²
@Temperature -30.0 °C		ISO 179/1eA
 
Electrical PropertiesOriginal ValueComments
Dielectric Strength 536 V/milshort term; ASTM D149
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 18.0 µm/m-°CISO 11359-2
CTE, linear, Transverse to Flow 125 µm/m-°CISO 11359-2
Melting Point 225 °C10°C/min; ISO 11357-1,-2,-3
 437 °FASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 218 °CISO 75-1, -2
 420 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 173 °CISO 75-1, -2
 344 °FASTM D648
Glass Transition Temp, Tg 55.0 °CISO 11357-1,-2,-3
Flammability, UL94 HB
 
Processing PropertiesOriginal ValueComments
Processing Temperature 65.0 - 93.0 °Ccavity
 250 - 260 °Chot runner
Feed Temperature 230 - 240 °C
Zone 1 230 - 240 °C
Zone 2 235 - 250 °C
Zone 3 235 - 250 °C
Zone 4 240 - 260 °C
Die Temperature 250 - 260 °C
Melt Temperature 235 - 260 °C
 260 °CISO 294
Mold Temperature 82.0 °CISO 294
Injection Velocity 300 mm/secISO 294
Drying Temperature 120 - 130 °C
Dry Time 4.00 hour
Moisture Content <= 0.020 %
Hold Pressure 48.0 MPaISO 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 go back to viewing the property data in MatWeb's normal format.

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PHCQ069 / 178524




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