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Celanese Celanex® 2500 PBT  (Unverified Data**)

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
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® 2500 PBT  (Unverified Data**).pdf
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Material Notes:
Chemical abbreviation according to ISO 1043-1: PBTBasic gradeInformation provided by Celanese
Physical Properties Metric English Comments
Density 1.31 g/cc
0.0473 lb/in³
ISO 1183
Density of Compound 1.11 g/cc
0.0401 lb/in³
melt; Internal
Moisture Absorption 0.200 %
0.200 %
23°C/50%RH; ISO 62
Viscosity Test 85 cm³/g
85 cm³/g
ISO 307, 1157, 1628
Linear Mold Shrinkage, Flow 0.018 - 0.020 cm/cm
0.018 - 0.020 in/in
ISO 294-4
Melt Flow 40 g/10 min

@Load 2.16 kg,
Temperature 250 °C
40 g/10 min

@Load 4.76 lb,
Temperature 482 °F
(MVR) cm³/10min; ISO 1133
Mechanical Properties Metric English Comments
Tensile Strength at Break 60.0 MPa
8700 psi
50mm/min; ISO 527-2/1A
Tensile Strength, Yield 60.0 MPa
8700 psi
50mm/min; ISO 527-2/1A
Elongation at Break 15 %
15 %
50mm/min; ISO 527-2/1A
Elongation at Yield 4.0 %
4.0 %
50mm/min; ISO 527-2/1A
Tensile Modulus 2.70 GPa
392 ksi
1mm/min; ISO 527-2/1A
Flexural Strength 90.0 MPa
13100 psi
ISO 178
Charpy Impact Unnotched 13.5 J/cm²
64.2 ft-lb/in²
ISO 179/1eU
13.0 J/cm²

@Temperature -30.0 °C
61.9 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eU
Charpy Impact, Notched 0.500 J/cm²
2.38 ft-lb/in²
ISO 179/1eA
0.450 J/cm²

@Temperature -30.0 °C
2.14 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eA
Tensile Creep Modulus, 1 hour 2400 MPa
348000 psi
ISO 899-1
Tensile Creep Modulus, 1000 hours 1600 MPa
232000 psi
ISO 899-1
Thermal Properties Metric English Comments
CTE, linear 110 µm/m-°C
61.1 µin/in-°F
ISO 11359-2
Specific Heat Capacity 1.92 J/g-°C
0.459 BTU/lb-°F
Internal
Thermal Conductivity 0.133 W/m-K
0.923 BTU-in/hr-ft²-°F
Internal
Melting Point 225 °C
437 °F
10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 0.46 MPa (66 psi) 160 °C
320 °F
ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi) 60.0 °C
140 °F
ISO 75-1, -2
Vicat Softening Point 190 °C
374 °F
B50 (50°C/h 50N); ISO 306
Flammability, UL94 HB

@Thickness 1.60 mm
HB

@Thickness 0.0630 in
UL94
HB

@Thickness 1.00 mm
HB

@Thickness 0.0394 in
UL94
Oxygen Index 22 %
22 %
ISO 4589
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm
>= 1.00e+15 ohm-cm
IEC 60093
Surface Resistance >= 1.00e+15 ohm
>= 1.00e+15 ohm
IEC 60093
Dielectric Constant 3.8

@Frequency 1.00e+6 Hz
3.8

@Frequency 1.00e+6 Hz
IEC 60250
3.9

@Frequency 100 Hz
3.9

@Frequency 100 Hz
IEC 60250
Dielectric Strength 23.0 kV/mm
584 kV/in
IEC 60243-1
Dissipation Factor 0.0013

@Frequency 100 Hz
0.0013

@Frequency 100 Hz
IEC 60250
0.020

@Frequency 1.00e+6 Hz
0.020

@Frequency 1.00e+6 Hz
IEC 60250
Comparative Tracking Index 600 V
600 V
IEC 60112
Processing Properties Metric English Comments
Processing Temperature 20.0 - 50.0 °C
68.0 - 122 °F
75.0 - 85.0 °C
167 - 185 °F
Cavity temperature
219 °C
426 °F
Ejection temperature; Internal
Feed Temperature 190 - 200 °C
374 - 392 °F
Zone 1 240 - 250 °C
464 - 482 °F
Zone 2 240 - 250 °C
464 - 482 °F
Zone 3 245 - 255 °C
473 - 491 °F
Zone 4 245 - 255 °C
473 - 491 °F
Die Temperature 250 - 260 °C
482 - 500 °F
Melt Temperature 250 - 260 °C
482 - 500 °F
265 °C
509 °F
Injection molding; ISO 294
Mold Temperature 75.0 - 85.0 °C
167 - 185 °F
80.0 °C
176 °F
Injection molding; ISO 294
Injection Velocity 200 mm/sec
7.87 in/sec
ISO 294
Drying Temperature 120 - 140 °C
248 - 284 °F
Dry Time 2.00 - 4.00 hour
2.00 - 4.00 hour
Moisture Content 0.020 %
0.020 %
Necessary low maximum residual
Dew Point <= -30.0 °C
<= -22.0 °F
Pre-drying
Hold Pressure 40.0 - 80.0 MPa
5800 - 11600 psi
70.0 MPa
10200 psi
ISO 294
60.0 - 100 MPa
8700 - 14500 psi
Back Pressure 1.00 - 3.00 MPa
145 - 435 psi
Hot-Working Temperature 250 - 260 °C
482 - 500 °F
Descriptive Properties Value Comments
Injection molding Yes
Injection Speed fast
Longer pre-drying times/storage lower the temperature to 100° C until processed.
<= 60 h
Processing conditions 7792
Processing Notes Fast Injection Speed
Maximum Barrel Residence Time 5-10  min
Open Nozzle Design Preferred
Peripheral screw speed max. 0.3  m/sec
pvT (Generic Grade reference) PBT, M, A14-03
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