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
Download PDF	Overview of materials for Polybutylene Terephthalate (PBT), Impact Grade.pdf
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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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