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Overview of materials for Polybutylene Terephthalate (PBT), Impact Grade

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Impact Grade
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), Impact Grade". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
Physical Properties Metric English Comments
Density 1.13 - 1.73 g/cc
0.0408 - 0.0625 lb/in³
Average value: 1.30 g/cc Grade Count:55
1.03 - 1.17 g/cc

@Temperature 250 - 250 °C
0.0372 - 0.0423 lb/in³

@Temperature 482 - 482 °F
Average value: 1.10 g/cc Grade Count:2
Water Absorption 0.0500 - 0.400 %
0.0500 - 0.400 %
Average value: 0.189 % Grade Count:13
Moisture Absorption at Equilibrium 0.0500 - 0.200 %
0.0500 - 0.200 %
Average value: 0.152 % Grade Count:17
Water Absorption at Saturation 0.450 - 0.800 %
0.450 - 0.800 %
Average value: 0.617 % Grade Count:3
Linear Mold Shrinkage 0.00160 - 0.0270 cm/cm
0.00160 - 0.0270 in/in
Average value: 0.0153 cm/cm Grade Count:41
Linear Mold Shrinkage, Transverse 0.00160 - 0.0300 cm/cm
0.00160 - 0.0300 in/in
Average value: 0.0152 cm/cm Grade Count:14
Melt Flow 2.00 - 73.8 g/10 min
2.00 - 73.8 g/10 min
Average value: 19.5 g/10 min Grade Count:22
Mechanical Properties Metric English Comments
Hardness, Rockwell R 104 - 120
104 - 120
Average value: 113 Grade Count:12
Hardness, Shore D 65.0 - 70.0
65.0 - 70.0
Average value: 66.7 Grade Count:3
Tensile Strength, Ultimate 27.6 - 145 MPa
4000 - 21000 psi
Average value: 55.7 MPa Grade Count:33
Tensile Strength, Yield 27.0 - 135 MPa
3920 - 19600 psi
Average value: 47.0 MPa Grade Count:34
Elongation at Break 2.00 - 120 %
2.00 - 120 %
Average value: 38.9 % Grade Count:39
Elongation at Yield 3.00 - 130 %
3.00 - 130 %
Average value: 12.7 % Grade Count:16
Modulus of Elasticity 1.60 - 17.0 GPa
232 - 2470 ksi
Average value: 3.03 GPa Grade Count:30
0.140 - 2.30 GPa

@Temperature -40.0 - 150 °C
20.3 - 334 ksi

@Temperature -40.0 - 302 °F
Average value: 1.32 GPa Grade Count:1
Flexural Yield Strength 45.0 - 172 MPa
6530 - 25000 psi
Average value: 75.2 MPa Grade Count:34
Flexural Modulus 1.50 - 7.58 GPa
218 - 1100 ksi
Average value: 2.31 GPa Grade Count:37
Izod Impact, Notched 0.374 J/cm - NB
0.700 ft-lb/in - NB
Average value: 3.83 J/cm Grade Count:29
2.24 - 7.4746 J/cm

@Temperature -40.0 - -28.9 °C
4.20 - 14.003 ft-lb/in

@Temperature -40.0 - -20.0 °F
Average value: 4.31 J/cm Grade Count:3
Izod Impact, Unnotched 18.7 J/cm - NB
35.0 ft-lb/in - NB
Average value: 18.7 J/cm Grade Count:6
Izod Impact, Notched (ISO) 8.00 - 70.0 kJ/m²
3.81 - 33.3 ft-lb/in²
Average value: 28.6 kJ/m² Grade Count:14
6.00 - 40.0 kJ/m²

@Temperature -40.0 - -10.0 °C
2.86 - 19.0 ft-lb/in²

@Temperature -40.0 - 14.0 °F
Average value: 12.9 kJ/m² Grade Count:13
Izod Impact, Unnotched (ISO) 65.0 kJ/m² - NB
30.9 ft-lb/in² - NB
Average value: 65.0 kJ/m² Grade Count:9
60.0 kJ/m² - NB

@Temperature -40.0 - -30.0 °C
28.6 ft-lb/in² - NB

@Temperature -40.0 - -22.0 °F
Average value: 193 kJ/m² Grade Count:9
Charpy Impact Unnotched 1000 J/cm² - NB
4760 ft-lb/in² - NB
Grade Count:14
22.0 J/cm² - NB

@Temperature -40.0 - -30.0 °C
105 ft-lb/in² - NB

@Temperature -40.0 - -22.0 °F
Average value: 30.7 J/cm² Grade Count:14
Charpy Impact, Notched 1.00 - 9.00 J/cm²
4.76 - 42.8 ft-lb/in²
Average value: 5.28 J/cm² Grade Count:16
0.900 - 2.50 J/cm²

@Temperature -40.0 - -20.0 °C
4.28 - 11.9 ft-lb/in²

@Temperature -40.0 - -4.00 °F
Average value: 1.52 J/cm² Grade Count:14
Gardner Impact 36.2 - 36.2 J
26.7 - 26.7 ft-lb
Average value: 36.2 J Grade Count:8
Thermal Properties Metric English Comments
CTE, linear 25.2 - 190 µm/m-°C
14.0 - 106 µin/in-°F
Average value: 109 µm/m-°C Grade Count:18
CTE, linear, Transverse to Flow 105 - 190 µm/m-°C
58.3 - 106 µin/in-°F
Average value: 139 µm/m-°C Grade Count:11
Melting Point 210 - 255 °C
410 - 491 °F
Average value: 225 °C Grade Count:25
Deflection Temperature at 0.46 MPa (66 psi) 90.0 - 225 °C
194 - 437 °F
Average value: 138 °C Grade Count:44
Deflection Temperature at 1.8 MPa (264 psi) 48.9 - 210 °C
120 - 410 °F
Average value: 78.9 °C Grade Count:49
Vicat Softening Point 105 - 215 °C
221 - 419 °F
Average value: 155 °C Grade Count:12
UL RTI, Electrical 75.0 - 130 °C
167 - 266 °F
Average value: 112 °C Grade Count:3
UL RTI, Mechanical with Impact 75.0 - 130 °C
167 - 266 °F
Average value: 112 °C Grade Count:3
UL RTI, Mechanical without Impact 75.0 - 110 °C
167 - 230 °F
Average value: 87.2 °C Grade Count:3
Flammability, UL94 HB - V-0
HB - V-0
Grade Count:44
Flame Spread 0.000 - 38.0 mm/min
0.000 - 1.50 in/min
Average value: 25.3 mm/min Grade Count:3
Oxygen Index 19.0 - 25.0 %
19.0 - 25.0 %
Average value: 22.0 % Grade Count:5
Glow Wire Test 675 - 960 °C
1250 - 1760 °F
Average value: 820 °C Grade Count:6
Electrical Properties Metric English Comments
Electrical Resistivity 1.00e+11 - 1.00e+17 ohm-cm
1.00e+11 - 1.00e+17 ohm-cm
Average value: 1.03e+16 ohm-cm Grade Count:25
Surface Resistance 1.00e+6 - 1.00e+15 ohm
1.00e+6 - 1.00e+15 ohm
Average value: 4.54e+14 ohm Grade Count:17
Dielectric Constant 2.70 - 3.70
2.70 - 3.70
Average value: 3.18 Grade Count:9
Dielectric Strength 15.7 - 30.0 kV/mm
400 - 762 kV/in
Average value: 25.3 kV/mm Grade Count:17
Dissipation Factor 0.00200 - 0.0200
0.00200 - 0.0200
Average value: 0.0111 Grade Count:7
Arc Resistance 110 - 130 sec
110 - 130 sec
Average value: 119 sec Grade Count:4
Comparative Tracking Index 225 - 600 V
225 - 600 V
Average value: 513 V Grade Count:12
Processing Properties Metric English Comments
Processing Temperature 230 - 280 °C
446 - 536 °F
Average value: 254 °C Grade Count:10
Nozzle Temperature 225 - 280 °C
437 - 536 °F
Average value: 246 °C Grade Count:4
Melt Temperature 190 - 280 °C
374 - 536 °F
Average value: 249 °C Grade Count:27
Mold Temperature 30.0 - 130 °C
86.0 - 266 °F
Average value: 74.3 °C Grade Count:32
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