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Celanese Celanex® 4302 PBT, 30% Glass Reinforced  (Unverified Data**)

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Manufacturer
Trade Name Celanex®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Celanese Celanex® 4302 PBT, 30% Glass Reinforced  (Unverified Data**).pdf
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Material Notes:
Celanex 4302 is a 30% glass reinforced PBT designed for improved mold flow, warp resistance and surface appearance.30% glass-fiber, impact modifiedInformation provided by Celanese
Physical Properties Metric English Comments
Specific Gravity 1.49 g/cc
1.49 g/cc
ASTM D792
Density 1.49 g/cc
0.0538 lb/in³
ISO 1183
Moisture Absorption 0.150 %
0.150 %
23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow 0.0020 - 0.0040 cm/cm
0.0020 - 0.0040 in/in
ISO 294-4
0.0030 cm/cm
0.0030 in/in
ASTM D955
Linear Mold Shrinkage, Transverse 0.0040 - 0.0060 cm/cm
0.0040 - 0.0060 in/in
ISO 294-4
Mechanical Properties Metric English Comments
Tensile Strength at Break 110 MPa
16000 psi
ASTM D638
120 MPa
17400 psi
5mm/min; ISO 527-2/1A
Elongation at Break 2.8 %
2.8 %
5mm/min; ISO 527-2/1A
3.0 %

@Temperature 22.8 °C
3.0 %

@Temperature 73.0 °F
ASTM D638
Tensile Modulus 8.90 GPa
1290 ksi
1mm/min; ISO 527-2/1A
Flexural Strength 172 MPa
25000 psi
ASTM D790
190 MPa
27600 psi
ISO 178
Flexural Modulus 8.70 GPa
1260 ksi
ISO 178
7.58 GPa

@Temperature 22.8 °C
1100 ksi

@Temperature 73.0 °F
ASTM D790
Izod Impact, Notched 1.17 J/cm
2.20 ft-lb/in
ASTM D256
Izod Impact, Notched (ISO) 13.9 kJ/m²
6.61 ft-lb/in²
ISO 180/1A
Charpy Impact Unnotched 5.60 J/cm²
26.6 ft-lb/in²
ISO 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/cm²
4.71 ft-lb/in²
ISO 179/1eA
0.830 J/cm²

@Temperature -30.0 °C
3.95 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eA
Thermal Properties Metric English Comments
CTE, linear 18.0 µm/m-°C
10.0 µin/in-°F
ISO 11359-2
CTE, linear, Transverse to Flow 125 µm/m-°C
69.4 µin/in-°F
ISO 11359-2
Melting Point 225 °C
437 °F
10°C/min; ISO 11357-1,-2,-3
225 °C
437 °F
ASTM D3418
Transformation Temperature, Tg 55.0 °C
131 °F
10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 0.46 MPa (66 psi) 216 °C
420 °F
ASTM D648
218 °C
424 °F
ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi) 173 °C
343 °F
ISO 75-1, -2
173 °C
344 °F
ASTM D648
Flammability, UL94 HB
HB
UL94
Electrical Properties Metric English Comments
Dielectric Strength 21.1 kV/mm
536 kV/in
short term; ASTM D149
Processing Properties Metric English Comments
Processing Temperature 20.0 - 50.0 °C
68.0 - 122 °F
65.0 - 93.0 °C
149 - 199 °F
Cavity temperature
Feed Temperature 230 - 240 °C
446 - 464 °F
Rear Barrel Temperature 230 - 240 °C
446 - 464 °F
Middle Barrel Temperature 235 - 250 °C
455 - 482 °F
Front Barrel Temperature 240 - 260 °C
464 - 500 °F
Nozzle Temperature 250 - 260 °C
482 - 500 °F
Zone 1 230 - 240 °C
446 - 464 °F
Zone 2 235 - 250 °C
455 - 482 °F
Zone 3 235 - 250 °C
455 - 482 °F
Zone 4 240 - 260 °C
464 - 500 °F
Die Temperature 250 - 260 °C
482 - 500 °F
Melt Temperature 235 - 260 °C
455 - 500 °F
260 °C
500 °F
Injection molding; ISO 294
Mold Temperature 65.6 - 93.3 °C
150 - 200 °F
82.0 °C
180 °F
Injection molding; ISO 294
Injection Velocity 300 mm/sec
11.8 in/sec
ISO 294
Drying Temperature 120 - 130 °C
248 - 266 °F
Dry Time 4.00 hour
4.00 hour
Moisture Content 0.020 %
0.020 %
Necessary low maximum residual
Hold Pressure 48.0 MPa
6960 psi
ISO 294
Back Pressure 0.000 - 0.345 MPa
0.000 - 50.0 psi
Hot-Working Temperature 250 - 260 °C
482 - 500 °F
Descriptive Properties Value Comments
Injection molding Yes
Injection Speed medium-fast
Longer pre-drying times/storage lower the temperature to 100° C until processed.
<= 60 h
Processing conditions ISO 7792-2
Processing Notes Fast Injection Speed
Medium Screw Speed
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