Overview of materials for Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant

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Overview of materials for Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant". 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	1.27 - 1.76 g/cc	Average value: 1.57 g/cc Grade Count:232
	1.31 - 1.49 g/cc @Temperature 223 - 250 °C	Average value: 1.41 g/cc Grade Count:6
Filler Content	5.00 - 32.0 %	Average value: 22.7 % Grade Count:73
Water Absorption	0.000 - 4.00 %	Average value: 0.194 % Grade Count:108
Moisture Absorption at Equilibrium	0.0500 - 0.500 %	Average value: 0.199 % Grade Count:59
Water Absorption at Saturation	0.150 - 0.500 %	Average value: 0.332 % Grade Count:15
Viscosity	150 - 3.50e+6 cP @Temperature 230 - 270 °C	Average value: 934000 cP Grade Count:2
	150 - 3.50e+6 cP @Shear Rate 1.00 - 100000 1/s	Average value: 934000 cP Grade Count:2
Viscosity Number	62.0 - 112 cm³/g	Average value: 96.0 cm³/g Grade Count:10
Maximum Moisture Content	0.0200	Average value: 0.0200 Grade Count:8
Linear Mold Shrinkage	0.000500 - 0.0200 cm/cm	Average value: 0.00571 cm/cm Grade Count:159
	0.00300 - 0.00400 cm/cm @Temperature 260 - 260 °C	Average value: 0.00333 cm/cm Grade Count:3
	0.00300 - 0.00400 cm/cm @Pressure 60.0 - 60.0 MPa	Average value: 0.00333 cm/cm Grade Count:3
Linear Mold Shrinkage, Transverse	0.00100 - 0.0180 cm/cm	Average value: 0.0102 cm/cm Grade Count:57
	0.0110 - 0.0130 cm/cm @Temperature 260 - 260 °C	Average value: 0.0120 cm/cm Grade Count:3
	0.0110 - 0.0130 cm/cm @Pressure 60.0 - 60.0 MPa	Average value: 0.0120 cm/cm Grade Count:3
Melt Flow	1.00 - 75.0 g/10 min	Average value: 17.0 g/10 min Grade Count:77
Ash	0.0350 - 30.0 %	Average value: 7.53 % Grade Count:8

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	70.0 - 100	Average value: 92.8 Grade Count:17
Hardness, Rockwell R	90.0 - 120	Average value: 116 Grade Count:28
Ball Indentation Hardness	160 - 235 MPa	Average value: 199 MPa Grade Count:4
Tensile Strength, Ultimate	15.0 - 154 MPa	Average value: 108 MPa Grade Count:195
Tensile Strength, Yield	68.0 - 150 MPa	Average value: 106 MPa Grade Count:44
Elongation at Break	0.900 - 50.0 %	Average value: 3.34 % Grade Count:201
Elongation at Yield	2.50 - 9.00 %	Average value: 4.33 % Grade Count:6
Modulus of Elasticity	0.765 - 21.2 GPa	Average value: 8.54 GPa Grade Count:104
Flexural Yield Strength	70.3 - 230 MPa	Average value: 162 MPa Grade Count:163
Flexural Modulus	1.86 - 11.3 GPa	Average value: 7.01 GPa Grade Count:165
Flexural Strain at Break	3.00 - 3.50 %	Average value: 3.23 % Grade Count:3
Flexural Strain at Yield	2.20 - 4.90 %	Average value: 3.02 % Grade Count:15
Poissons Ratio	0.330 - 0.350	Average value: 0.341 Grade Count:14
Izod Impact, Notched	0.267 - 4.27 J/cm	Average value: 0.709 J/cm Grade Count:100
	0.300 - 0.450 J/cm @Temperature -20.0 - -20.0 °C	Average value: 0.375 J/cm Grade Count:2
Izod Impact, Unnotched	0.490 - 9.61 J/cm	Average value: 5.18 J/cm Grade Count:13
Izod Impact, Notched (ISO)	3.00 - 10.0 kJ/m²	Average value: 8.64 kJ/m² Grade Count:32
	7.00 - 10.0 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 9.67 kJ/m² Grade Count:15
Izod Impact, Unnotched (ISO)	20.0 - 55.0 kJ/m²	Average value: 41.7 kJ/m² Grade Count:18
	20.0 - 55.0 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 39.8 kJ/m² Grade Count:16
Charpy Impact Unnotched	2.30 - 8.00 J/cm²	Average value: 4.39 J/cm² Grade Count:86
	1.20 - 7.50 J/cm² @Temperature -40.0 - -20.0 °C	Average value: 4.18 J/cm² Grade Count:48
Charpy Impact, Notched	0.230 - 2.00 J/cm²	Average value: 0.761 J/cm² Grade Count:124
	0.180 J/cm² - NB @Temperature -40.0 - -20.0 °C	Average value: 0.731 J/cm² Grade Count:51
Tensile Impact Strength	8.00 - 55.0 kJ/m²	Average value: 37.7 kJ/m² Grade Count:3
Tensile Creep Modulus, 1 hour	5000 - 11000 MPa	Average value: 7580 MPa Grade Count:4
Tensile Creep Modulus, 1000 hours	3000 - 8000 MPa	Average value: 5780 MPa Grade Count:4

Electrical Properties	Original Value	Comments
Electrical Resistivity	1000 - 1.00e+18 ohm-cm	Average value: 2.08e+16 ohm-cm Grade Count:120
Surface Resistance	1000 - 1.00e+17 ohm	Average value: 9.11e+15 ohm Grade Count:52
Dielectric Constant	3.00 - 4.50	Average value: 3.55 Grade Count:65
Dielectric Strength	16.0 - 44.0 kV/mm	Average value: 25.3 kV/mm Grade Count:84
Dissipation Factor	0.00100 - 0.0220	Average value: 0.0110 Grade Count:45
Arc Resistance	60.0 - 120 sec	Average value: 104 sec Grade Count:14
Comparative Tracking Index	125 - 600 V	Average value: 291 V Grade Count:83
Hot Wire Ignition, HWI	7.00 - 120 sec	Average value: 70.9 sec Grade Count:6
High Amp Arc Ignition, HAI	30.0 - 120 arcs	Average value: 113 arcs Grade Count:5

Thermal Properties	Original Value	Comments
CTE, linear	20.0 - 67.0 µm/m-°C	Average value: 35.3 µm/m-°C Grade Count:96
	16.0 - 20.0 µm/m-°C @Temperature 55.0 - 160 °C	Average value: 19.0 µm/m-°C Grade Count:4
CTE, linear, Transverse to Flow	50.0 - 120 µm/m-°C	Average value: 81.8 µm/m-°C Grade Count:52
	140 - 140 µm/m-°C @Temperature 55.0 - 160 °C	Average value: 140 µm/m-°C Grade Count:1
Specific Heat Capacity	1.60 - 1.60 J/g-°C @Temperature 250 - 250 °C	Average value: 1.60 J/g-°C Grade Count:1
Thermal Conductivity	0.173 - 0.202 W/m-K	Average value: 0.180 W/m-K Grade Count:4
	0.260 - 0.260 W/m-K @Temperature 250 - 250 °C	Average value: 0.260 W/m-K Grade Count:1
Melting Point	200 - 250 °C	Average value: 224 °C Grade Count:93
Maximum Service Temperature, Air	90.0 - 215 °C	Average value: 153 °C Grade Count:7
Hot Ball Pressure Test	165 - 220 °C	Average value: 206 °C Grade Count:8
Deflection Temperature at 0.46 MPa (66 psi)	138 - 225 °C	Average value: 212 °C Grade Count:135
Deflection Temperature at 1.8 MPa (264 psi)	70.0 - 250 °C	Average value: 199 °C Grade Count:202
Deflection Temperature at 8.0 MPa	65.0 - 165 °C	Average value: 123 °C Grade Count:3
Vicat Softening Point	165 - 225 °C	Average value: 207 °C Grade Count:43
Glass Transition Temp, Tg	55.0 °C	Average value: 55.0 °C Grade Count:12
UL RTI, Electrical	75.0 - 140 °C	Average value: 117 °C Grade Count:11
UL RTI, Mechanical with Impact	75.0 - 140 °C	Average value: 117 °C Grade Count:11
UL RTI, Mechanical without Impact	75.0 - 140 °C	Average value: 112 °C Grade Count:11
Flammability, UL94	HB - 5VA	Grade Count:219
Oxygen Index	28.0 - 40.0 %	Average value: 33.1 % Grade Count:11
Glow Wire Test	675 - 960 °C	Average value: 891 °C Grade Count:63

Processing Properties	Original Value	Comments
Processing Temperature	204 - 270 °C	Average value: 251 °C Grade Count:26
Nozzle Temperature	225 - 270 °C	Average value: 250 °C Grade Count:25
Melt Temperature	220 - 280 °C	Average value: 249 °C Grade Count:95
Mold Temperature	30.0 - 130 °C	Average value: 78.9 °C Grade Count:108
Drying Temperature	80.0 - 140 °C	Average value: 117 °C Grade Count:82
Moisture Content	0.000 - 0.300 %	Average value: 0.0586 % Grade Count:38
Dew Point	-40.0 - -28.9 °C	Average value: -37.2 °C Grade Count:4
Injection Pressure	4.96 - 120 MPa	Average value: 81.2 MPa Grade Count:25
Vent Depth	0.00127 - 0.00381 cm	Average value: 0.00196 cm Grade Count:11

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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O3210 / 78170

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