Overview of materials for Polybutylene Terephthalate (PBT), Glass Fiber + PTFE Filled

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Overview of materials for Polybutylene Terephthalate (PBT), Glass Fiber + PTFE Filled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass Fiber + PTFE Filled
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), Glass Fiber + PTFE Filled". 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.
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Physical Properties	Metric	English	Comments

Density	1.43 - 1.76 g/cc	0.0517 - 0.0636 lb/in³	Average value: 1.60 g/cc Grade Count:21
Filler Content	10.0 - 30.0 %	10.0 - 30.0 %	Average value: 17.5 % Grade Count:4
Water Absorption	0.0700 - 1.16 %	0.0700 - 1.16 %	Average value: 0.433 % Grade Count:3
Linear Mold Shrinkage	0.00100 - 0.0120 cm/cm	0.00100 - 0.0120 in/in	Average value: 0.00510 cm/cm Grade Count:18
Linear Mold Shrinkage, Transverse	0.00600 - 0.0140 cm/cm	0.00600 - 0.0140 in/in	Average value: 0.0100 cm/cm Grade Count:10
Melt Flow	7.00 - 20.0 g/10 min	7.00 - 20.0 g/10 min	Average value: 11.8 g/10 min Grade Count:6

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	66.2 - 131 MPa	9600 - 19000 psi	Average value: 101 MPa Grade Count:22
Tensile Strength, Yield	110 - 117 MPa	15900 - 17000 psi	Average value: 114 MPa Grade Count:4
Elongation at Break	2.00 - 6.00 %	2.00 - 6.00 %	Average value: 3.03 % Grade Count:19
Elongation at Yield	2.30 - 2.60 %	2.30 - 2.60 %	Average value: 2.40 % Grade Count:3
Modulus of Elasticity	4.48 - 13.1 GPa	650 - 1900 ksi	Average value: 8.18 GPa Grade Count:17
Flexural Yield Strength	117 - 207 MPa	17000 - 30000 psi	Average value: 159 MPa Grade Count:18
Flexural Modulus	3.79 - 11.7 GPa	550 - 1700 ksi	Average value: 7.45 GPa Grade Count:19
Izod Impact, Notched	0.530 - 1.12 J/cm	0.993 - 2.10 ft-lb/in	Average value: 0.793 J/cm Grade Count:14
Izod Impact, Unnotched	3.74 - 8.54 J/cm	7.00 - 16.0 ft-lb/in	Average value: 6.53 J/cm Grade Count:10
Izod Impact, Notched (ISO)	7.00 - 9.20 kJ/m²	3.33 - 4.38 ft-lb/in²	Average value: 8.65 kJ/m² Grade Count:4
	6.00 - 6.00 kJ/m² @Temperature -30.0 - -30.0 °C	2.86 - 2.86 ft-lb/in² @Temperature -22.0 - -22.0 °F	Average value: 6.00 kJ/m² Grade Count:1
Izod Impact, Unnotched (ISO)	42.5 - 43.7 kJ/m²	20.2 - 20.8 ft-lb/in²	Average value: 42.9 kJ/m² Grade Count:3
Charpy Impact Unnotched	3.00 - 5.50 J/cm²	14.3 - 26.2 ft-lb/in²	Average value: 4.64 J/cm² Grade Count:7
	7.00 - 7.00 J/cm² @Temperature -40.0 - -40.0 °C	33.3 - 33.3 ft-lb/in² @Temperature -40.0 - -40.0 °F	Average value: 7.00 J/cm² Grade Count:1
Charpy Impact, Notched	0.500 - 1.00 J/cm²	2.38 - 4.76 ft-lb/in²	Average value: 0.786 J/cm² Grade Count:7
	0.850 - 0.850 J/cm² @Temperature -40.0 - -40.0 °C	4.05 - 4.05 ft-lb/in² @Temperature -40.0 - -40.0 °F	Average value: 0.850 J/cm² Grade Count:1
Falling Dart Impact	8.70 - 13.7 J	6.42 - 10.1 ft-lb	Average value: 12.0 J Grade Count:3
Coefficient of Friction	0.110 - 0.570	0.110 - 0.570	Average value: 0.315 Grade Count:6
Coefficient of Friction, Static	0.160 - 0.410	0.160 - 0.410	Average value: 0.265 Grade Count:6
K (wear) Factor	14.0 - 242 x 10^-8 mm³/N-M	6.95 - 120 x 10^-10 in³-min/ft-lb-hr	Average value: 78.5 x 10^-8 mm³/N-M Grade Count:6

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+14 - 1.00e+16 ohm-cm	1.00e+14 - 1.00e+16 ohm-cm	Average value: 8.76e+15 ohm-cm Grade Count:4

Thermal Properties	Metric	English	Comments
CTE, linear	23.4 - 38.0 µm/m-°C	13.0 - 21.1 µin/in-°F	Average value: 33.1 µm/m-°C Grade Count:3
Melting Point	225 - 227 °C	437 - 441 °F	Average value: 225 °C Grade Count:6
Deflection Temperature at 0.46 MPa (66 psi)	182 - 224 °C	360 - 435 °F	Average value: 212 °C Grade Count:7
Deflection Temperature at 1.8 MPa (264 psi)	79.4 - 218 °C	175 - 424 °F	Average value: 194 °C Grade Count:20
Vicat Softening Point	202 - 214 °C	396 - 417 °F	Average value: 209 °C Grade Count:8
Flammability, UL94	HB - V-0	HB - V-0	Grade Count:10

Processing Properties	Metric	English	Comments
Processing Temperature	232 - 270 °C	450 - 518 °F	Average value: 250 °C Grade Count:3
Melt Temperature	232 - 280 °C	450 - 536 °F	Average value: 254 °C Grade Count:18
Mold Temperature	60.0 - 120 °C	140 - 248 °F	Average value: 89.5 °C Grade Count:21
Drying Temperature	100 - 130 °C	212 - 266 °F	Average value: 115 °C Grade Count:17
Moisture Content	0.0300 - 0.150 %	0.0300 - 0.150 %	Average value: 0.0813 % Grade Count:8
Dew Point	-28.9 °C	-20.0 °F	Average value: -28.9 °C Grade Count:4
Injection Pressure	68.9 - 103 MPa	10000 - 15000 psi	Average value: 86.2 MPa Grade Count:6

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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