Overview of materials for Polybutylene Terephthalate (PBT), 50% Glass Fiber Filled

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Overview of materials for Polybutylene Terephthalate (PBT), 50% Glass Fiber Filled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 50% Glass Fiber Filled
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), 50% Glass Fiber Filled". Specific grades with glass content between 45% and 54% 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	1.20 - 1.84 g/cc	Average value: 1.70 g/cc Grade Count:41
	1.47 - 1.60 g/cc @Temperature 260 - 260 °C	Average value: 1.54 g/cc Grade Count:2
Filler Content	45.0 - 55.0 %	Average value: 48.8 % Grade Count:8
Water Absorption	0.000 - 0.400 %	Average value: 0.191 % Grade Count:11
Moisture Absorption at Equilibrium	0.0300 - 0.500 %	Average value: 0.159 % Grade Count:15
Water Absorption at Saturation	0.200 - 0.500 %	Average value: 0.357 % Grade Count:7
Maximum Moisture Content	0.200 - 0.200 @Temperature 120 - 120 °C	Average value: 0.200 Grade Count:1
	0.200 - 0.200 @Time 299 - 299 sec	Average value: 0.200 Grade Count:1
Linear Mold Shrinkage	0.00100 - 0.00800 cm/cm	Average value: 0.00258 cm/cm Grade Count:28
	0.00300 - 0.00300 cm/cm @Temperature 80.0 - 80.0 °C	Average value: 0.00300 cm/cm Grade Count:1
Linear Mold Shrinkage, Transverse	0.00200 - 0.0140 cm/cm	Average value: 0.00764 cm/cm Grade Count:17
	0.0110 - 0.0110 cm/cm @Temperature 80.0 - 80.0 °C	Average value: 0.0110 cm/cm Grade Count:1
Melt Flow	2.00 - 30.0 g/10 min	Average value: 9.09 g/10 min Grade Count:19
Ash	47.0 - 52.0 % @Temperature 625 - 625 °C	Average value: 49.5 % Grade Count:1

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	40.0 - 180 MPa	Average value: 147 MPa Grade Count:38
	45.0 - 90.0 MPa @Temperature 60.0 - 150 °C	Average value: 65.0 MPa Grade Count:1
Tensile Strength, Yield	130 - 166 MPa	Average value: 146 MPa Grade Count:5
Elongation at Break	1.00 - 4.00 %	Average value: 1.93 % Grade Count:40
	2.50 - 3.00 % @Temperature 60.0 - 150 °C	Average value: 2.75 % Grade Count:1
Modulus of Elasticity	4.10 - 18.7 GPa	Average value: 15.1 GPa Grade Count:33
	4.50 - 10.0 GPa @Temperature 60.0 - 150 °C	Average value: 6.93 GPa Grade Count:1
Flexural Yield Strength	68.0 - 285 MPa	Average value: 221 MPa Grade Count:24
Flexural Modulus	4.61 - 18.2 GPa	Average value: 13.2 GPa Grade Count:27
Poissons Ratio	0.330	Average value: 0.330 Grade Count:3
Izod Impact, Notched	0.640 - 2.67 J/cm	Average value: 1.09 J/cm Grade Count:13
Izod Impact, Unnotched	5.34 - 9.61 J/cm	Average value: 7.47 J/cm Grade Count:4
Izod Impact, Notched (ISO)	6.00 - 30.0 kJ/m²	Average value: 12.5 kJ/m² Grade Count:10
	9.00 - 10.0 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 9.67 kJ/m² Grade Count:3
Izod Impact, Unnotched (ISO)	33.0 - 80.0 kJ/m²	Average value: 52.0 kJ/m² Grade Count:3
	43.0 - 43.0 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 43.0 kJ/m² Grade Count:1
Charpy Impact Unnotched	2.20 - 7.00 J/cm²	Average value: 5.57 J/cm² Grade Count:20
	4.00 - 6.90 J/cm² @Temperature -30.0 - -20.0 °C	Average value: 5.95 J/cm² Grade Count:14
Charpy Impact, Notched	0.700 - 3.20 J/cm²	Average value: 1.21 J/cm² Grade Count:27
	0.310 - 1.30 J/cm² @Temperature -30.0 - -20.0 °C	Average value: 1.05 J/cm² Grade Count:12
Tensile Creep Modulus, 1 hour	12500 - 15000 MPa	Average value: 14200 MPa Grade Count:3
Tensile Creep Modulus, 1000 hours	9500 - 11600 MPa	Average value: 10400 MPa Grade Count:3

Electrical Properties	Original Value	Comments
Electrical Resistivity	7.00e+12 - 1.00e+17 ohm-cm	Average value: 1.02e+16 ohm-cm Grade Count:21
Surface Resistance	1.00e+13 - 4.00e+16 ohm	Average value: 4.80e+15 ohm Grade Count:14
Dielectric Constant	3.20 - 4.90	Average value: 4.18 Grade Count:10
Dielectric Strength	16.0 - 100 kV/mm	Average value: 32.2 kV/mm Grade Count:17
Dissipation Factor	0.00120 - 0.0260	Average value: 0.0121 Grade Count:8
Comparative Tracking Index	125 - 600 V	Average value: 419 V Grade Count:13

Thermal Properties	Original Value	Comments
CTE, linear	10.0 - 50.0 µm/m-°C	Average value: 27.9 µm/m-°C Grade Count:9
CTE, linear, Transverse to Flow	32.0 - 80.0 µm/m-°C	Average value: 56.0 µm/m-°C Grade Count:7
Specific Heat Capacity	1.47 - 1.47 J/g-°C @Temperature 260 - 260 °C	Average value: 1.47 J/g-°C Grade Count:1
Thermal Conductivity	0.360 - 0.360 W/m-K @Temperature 260 - 260 °C	Average value: 0.360 W/m-K Grade Count:1
Melting Point	200 - 254 °C	Average value: 225 °C Grade Count:21
Maximum Service Temperature, Air	75.0 - 210 °C	Average value: 146 °C Grade Count:6
Deflection Temperature at 0.46 MPa (66 psi)	190 - 228 °C	Average value: 221 °C Grade Count:27
Deflection Temperature at 1.8 MPa (264 psi)	193 - 226 °C	Average value: 211 °C Grade Count:39
Vicat Softening Point	210 - 225 °C	Average value: 216 °C Grade Count:11
Glass Transition Temp, Tg	55.0 - 73.0 °C	Average value: 59.5 °C Grade Count:4
Flammability, UL94	HB - V-0	Grade Count:35
Flame Spread	27.0 - 100 mm/min	Average value: 58.5 mm/min Grade Count:4
Oxygen Index	20.0 %	Average value: 20.0 % Grade Count:5
Glow Wire Test	650 - 750 °C	Average value: 718 °C Grade Count:7

Processing Properties	Original Value	Comments
Processing Temperature	75.0 - 270 °C	Average value: 200 °C Grade Count:5
Melt Temperature	220 - 300 °C	Average value: 260 °C Grade Count:16
Mold Temperature	30.0 - 130 °C	Average value: 80.2 °C Grade Count:18
Drying Temperature	80.0 - 140 °C	Average value: 119 °C Grade Count:16
Moisture Content	0.0200 - 0.0800 %	Average value: 0.0409 % Grade Count:11
Injection Pressure	60.0 - 103 MPa	Average value: 83.7 MPa Grade Count:5

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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O3215 / 78175

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