Overview of materials for Polybutylene Terephthalate (PBT), 40% Glass Fiber Filled

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Overview of materials for Polybutylene Terephthalate (PBT), 40% Glass Fiber Filled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 40% Glass Fiber Filled
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), 40% Glass Fiber Filled". Specific grades with glass content between 35% and 44% are included. 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	Original Value	Comments

Density	1.53 - 1.84 g/cc	Average value: 1.63 g/cc Grade Count:48
Filler Content	35.0 - 43.0 %	Average value: 38.8 % Grade Count:14
Water Absorption	0.0400 - 0.400 %	Average value: 0.135 % Grade Count:21
Moisture Absorption at Equilibrium	0.0100 - 0.150 %	Average value: 0.0913 % Grade Count:8
Linear Mold Shrinkage	0.00100 - 0.0130 cm/cm	Average value: 0.00377 cm/cm Grade Count:34
Linear Mold Shrinkage, Transverse	0.00100 - 0.0130 cm/cm	Average value: 0.00730 cm/cm Grade Count:14
Melt Flow	5.00 - 35.0 g/10 min	Average value: 11.1 g/10 min Grade Count:10

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	90.0 - 100	Average value: 94.2 Grade Count:5
Hardness, Rockwell R	115 - 120	Average value: 119 Grade Count:6
Tensile Strength, Ultimate	100 - 180 MPa	Average value: 140 MPa Grade Count:40
Tensile Strength, Yield	80.0 - 152 MPa	Average value: 121 MPa Grade Count:10
Elongation at Break	1.00 - 102 %	Average value: 4.43 % Grade Count:45
Modulus of Elasticity	8.27 - 15.5 GPa	Average value: 12.3 GPa Grade Count:32
Flexural Yield Strength	125 - 270 MPa	Average value: 204 MPa Grade Count:42
Flexural Modulus	1.08 - 14.5 GPa	Average value: 10.3 GPa Grade Count:44
Izod Impact, Notched	0.500 - 6.99 J/cm	Average value: 1.22 J/cm Grade Count:28
Izod Impact, Unnotched	6.41 - 9.61 J/cm	Average value: 7.37 J/cm Grade Count:10
Izod Impact, Notched (ISO)	7.00 - 16.0 kJ/m²	Average value: 10.0 kJ/m² Grade Count:8
	7.00 - 9.00 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 8.00 kJ/m² Grade Count:2
Charpy Impact Unnotched	3.20 - 7.10 J/cm²	Average value: 5.26 J/cm² Grade Count:12
	4.50 - 6.50 J/cm² @Temperature -30.0 - -20.0 °C	Average value: 5.25 J/cm² Grade Count:6
Charpy Impact, Notched	0.693 - 3.20 J/cm²	Average value: 1.26 J/cm² Grade Count:21
	0.950 - 1.30 J/cm² @Temperature -30.0 - -20.0 °C	Average value: 1.10 J/cm² Grade Count:5

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+12 - 6.00e+16 ohm-cm	Average value: 1.48e+16 ohm-cm Grade Count:20
Surface Resistance	1.00e+12 - 5.00e+16 ohm	Average value: 7.87e+15 ohm Grade Count:15
Dielectric Constant	3.20 - 4.60	Average value: 3.69 Grade Count:10
Dielectric Strength	18.9 - 40.0 kV/mm	Average value: 25.5 kV/mm Grade Count:18
Dissipation Factor	0.00100 - 0.0200	Average value: 0.0114 Grade Count:10
Arc Resistance	90.0 - 127 sec	Average value: 116 sec Grade Count:4
Comparative Tracking Index	250 - 600 V	Average value: 427 V Grade Count:8

Thermal Properties	Original Value	Comments
CTE, linear	10.0 - 40.0 µm/m-°C	Average value: 14.9 µm/m-°C Grade Count:16
	10.0 - 10.0 µm/m-°C @Temperature 50.0 - 120 °C	Average value: 10.0 µm/m-°C Grade Count:5
CTE, linear, Transverse to Flow	40.0 - 101 µm/m-°C	Average value: 81.1 µm/m-°C Grade Count:12
	110 - 130 µm/m-°C @Temperature 50.0 - 120 °C	Average value: 118 µm/m-°C Grade Count:5
Melting Point	215 - 247 °C	Average value: 226 °C Grade Count:21
Deflection Temperature at 0.46 MPa (66 psi)	209 - 226 °C	Average value: 219 °C Grade Count:29
Deflection Temperature at 1.8 MPa (264 psi)	190 - 225 °C	Average value: 209 °C Grade Count:46
Vicat Softening Point	210 - 220 °C	Average value: 216 °C Grade Count:3
Glass Transition Temp, Tg	45.0 - 60.0 °C	Average value: 50.0 °C Grade Count:5
Flammability, UL94	HB - V-0	Grade Count:29
Glow Wire Test	750 - 960 °C	Average value: 855 °C Grade Count:3

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 270 °C	Average value: 189 °C Grade Count:14
Nozzle Temperature	240 - 270 °C	Average value: 254 °C Grade Count:5
Die Temperature	240 - 285 °C	Average value: 258 °C Grade Count:4
Melt Temperature	230 - 299 °C	Average value: 250 °C Grade Count:21
Mold Temperature	30.0 - 130 °C	Average value: 87.1 °C Grade Count:27
Drying Temperature	80.0 - 140 °C	Average value: 122 °C Grade Count:18
Moisture Content	0.0200 - 0.0800 %	Average value: 0.0308 % Grade Count:13
Dew Point	-28.9 °C	Average value: -28.9 °C Grade Count:4
Injection Pressure	39.2 - 124 MPa	Average value: 84.8 MPa Grade Count:14

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 go back to viewing the property data in MatWeb's normal format.

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O3214 / 78174

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