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

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Overview of materials for Polybutylene Terephthalate (PBT), Glass + Mineral Filled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass + Mineral Filled
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), Glass + Mineral 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	Original Value	Comments

Density	1.31 - 2.96 g/cc	Average value: 1.64 g/cc Grade Count:55
Filler Content	10.0 - 50.0 %	Average value: 28.1 % Grade Count:8
Water Absorption	0.0200 - 0.300 %	Average value: 0.0774 % Grade Count:21
Moisture Absorption at Equilibrium	0.0300 - 0.200 %	Average value: 0.153 % Grade Count:11
Water Absorption at Saturation	0.350 - 0.500 %	Average value: 0.417 % Grade Count:3
Viscosity Test	55.0 - 101 cm³/g	Average value: 79.0 cm³/g Grade Count:4
Linear Mold Shrinkage	0.000 - 0.0160 cm/cm	Average value: 0.00476 cm/cm Grade Count:49
Linear Mold Shrinkage, Transverse	0.000 - 0.0130 cm/cm	Average value: 0.00787 cm/cm Grade Count:13
Melt Flow	2.00 - 45.0 g/10 min	Average value: 16.7 g/10 min Grade Count:13

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	43.0 - 91.0	Average value: 71.8 Grade Count:10
Hardness, Rockwell R	109 - 121	Average value: 118 Grade Count:16
Tensile Strength, Ultimate	46.9 - 147 MPa	Average value: 97.2 MPa Grade Count:43
	30.0 - 65.0 MPa @Temperature 60.0 - 150 °C	Average value: 46.3 MPa Grade Count:1
Tensile Strength, Yield	58.6 - 125 MPa	Average value: 89.0 MPa Grade Count:14
Elongation at Break	1.00 - 10.0 %	Average value: 2.72 % Grade Count:47
	2.00 - 3.00 % @Temperature 60.0 - 150 °C	Average value: 2.55 % Grade Count:1
Elongation at Yield	2.00 - 5.00 %	Average value: 3.00 % Grade Count:3
Modulus of Elasticity	5.24 - 13.5 GPa	Average value: 9.54 GPa Grade Count:26
	2.70 - 7.80 GPa @Temperature 60.0 - 150 °C	Average value: 4.75 GPa Grade Count:1
Flexural Yield Strength	74.5 - 220 MPa	Average value: 150 MPa Grade Count:47
Flexural Modulus	2.76 - 14.7 GPa	Average value: 8.79 GPa Grade Count:51
Compressive Yield Strength	53.8 - 124 MPa	Average value: 77.7 MPa Grade Count:3
Izod Impact, Notched	0.270 - 1.07 J/cm	Average value: 0.590 J/cm Grade Count:43
	0.85424 - 0.85424 J/cm @Temperature -30.0 - -30.0 °C	Average value: 0.854 J/cm Grade Count:1
Izod Impact, Unnotched	1.60 - 5.34 J/cm	Average value: 4.14 J/cm Grade Count:13
Izod Impact, Notched (ISO)	3.10 - 31.0 kJ/m²	Average value: 9.54 kJ/m² Grade Count:17
	4.50 - 8.00 kJ/m² @Temperature -30.0 - 30.0 °C	Average value: 6.17 kJ/m² Grade Count:3
Izod Impact, Unnotched (ISO)	37.8 - 70.0 kJ/m²	Average value: 49.3 kJ/m² Grade Count:3
Charpy Impact Unnotched	1.30 - 4.62 J/cm²	Average value: 2.93 J/cm² Grade Count:13
	2.10 - 4.00 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 2.86 J/cm² Grade Count:9
Charpy Impact, Notched	0.400 - 1.21 J/cm²	Average value: 0.610 J/cm² Grade Count:20
	0.400 - 0.720 J/cm² @Temperature -30.0 - -20.0 °C	Average value: 0.575 J/cm² Grade Count:10

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+13 - 1.00e+17 ohm-cm	Average value: 1.20e+16 ohm-cm Grade Count:28
Surface Resistance	1.00e+13 - 1.00e+17 ohm	Average value: 2.38e+16 ohm Grade Count:11
Dielectric Constant	3.00 - 5.10	Average value: 3.80 Grade Count:16
Dielectric Strength	17.0 - 100 kV/mm	Average value: 25.2 kV/mm Grade Count:25
Dissipation Factor	0.00100 - 0.0400	Average value: 0.0149 Grade Count:16
Arc Resistance	80.0 - 130 sec	Average value: 121 sec Grade Count:10
Comparative Tracking Index	125 - 600 V	Average value: 319 V Grade Count:14

Thermal Properties	Original Value	Comments
CTE, linear	18.0 - 55.8 µm/m-°C	Average value: 27.4 µm/m-°C Grade Count:18
CTE, linear, Transverse to Flow	46.0 - 97.0 µm/m-°C	Average value: 74.1 µm/m-°C Grade Count:10
Melting Point	210 - 268 °C	Average value: 224 °C Grade Count:23
Maximum Service Temperature, Air	75.0 - 200 °C	Average value: 132 °C Grade Count:3
Deflection Temperature at 0.46 MPa (66 psi)	184 - 223 °C	Average value: 214 °C Grade Count:40
Deflection Temperature at 1.8 MPa (264 psi)	65.6 - 220 °C	Average value: 193 °C Grade Count:53
Vicat Softening Point	150 - 220 °C	Average value: 201 °C Grade Count:7
Glass Transition Temp, Tg	54.0 - 60.0 °C	Average value: 57.0 °C Grade Count:6
Flammability, UL94	HB - V-0	Grade Count:37
Oxygen Index	20.0 - 35.0 %	Average value: 26.8 % Grade Count:4
Glow Wire Test	650 - 960 °C	Average value: 873 °C Grade Count:4

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 280 °C	Average value: 155 °C Grade Count:17
Nozzle Temperature	243 - 280 °C	Average value: 264 °C Grade Count:5
Die Temperature	240 - 265 °C	Average value: 252 °C Grade Count:9
Melt Temperature	225 - 280 °C	Average value: 250 °C Grade Count:28
Mold Temperature	26.7 - 120 °C	Average value: 81.6 °C Grade Count:27
Injection Velocity	300 mm/sec	Average value: 300 mm/sec Grade Count:9
Drying Temperature	104 - 140 °C	Average value: 122 °C Grade Count:19
Moisture Content	0.0200 - 0.0300 %	Average value: 0.0208 % Grade Count:12
Injection Pressure	48.0 - 140 MPa	Average value: 76.2 MPa Grade Count:12
Hot-Working Temperature	250 - 265 °C	Average value: 257 °C Grade Count:4

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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