Overview of materials for Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled

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Overview of materials for Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled". Specific grades with glass content between 15% and 24% 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	1.22 - 1.80 g/cc	Average value: 1.46 g/cc Grade Count:331
	1.14 - 1.32 g/cc @Temperature 205 - 250 °C	Average value: 1.20 g/cc Grade Count:8
Filler Content	15.0 - 20.0 %	Average value: 16.9 % Grade Count:86
Water Absorption	0.0100 - 0.500 %	Average value: 0.213 % Grade Count:123
Moisture Absorption at Equilibrium	0.0200 - 0.400 %	Average value: 0.150 % Grade Count:126
Water Absorption at Saturation	0.150 - 0.500 %	Average value: 0.345 % Grade Count:23
Viscosity	150000 cP	Average value: 150000 cP Grade Count:3
	17.0 - 18.0 cP @Temperature 250 - 265 °C	Average value: 45700 cP Grade Count:3
	17.0 - 18.0 cP @Load 5.00 - 5.00 kg	Average value: 45700 cP Grade Count:3
	9.00 - 460190 cP @Shear Rate 10.0 - 100000 1/s	Average value: 45700 cP Grade Count:6
	9.00 - 460190 cP @Temperature 230 - 280 °C	Average value: 45700 cP Grade Count:6
Viscosity Test	69.0 - 116 cm³/g	Average value: 91.5 cm³/g Grade Count:10
Viscosity Number	94.0 - 135 cm³/g	Average value: 107 cm³/g Grade Count:19
Maximum Moisture Content	0.0200 - 0.0400	Average value: 0.0209 Grade Count:22
	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 - 0.0200 cm/cm	Average value: 0.00603 cm/cm Grade Count:235
	0.00400 - 0.00400 cm/cm @Temperature 80.0 - 80.0 °C	Average value: 0.00367 cm/cm Grade Count:2
	0.00300 - 0.00400 cm/cm @Temperature 260 - 260 °C	Average value: 0.00367 cm/cm Grade Count:2
	0.00300 - 0.00400 cm/cm @Pressure 60.0 - 60.0 MPa	Average value: 0.00367 cm/cm Grade Count:2
Linear Mold Shrinkage, Transverse	0.00100 - 0.0180 cm/cm	Average value: 0.0107 cm/cm Grade Count:95
	0.0110 - 0.0120 cm/cm @Temperature 80.0 - 80.0 °C	Average value: 0.0108 cm/cm Grade Count:2
	0.0100 - 0.0110 cm/cm @Temperature 260 - 260 °C	Average value: 0.0108 cm/cm Grade Count:2
	0.0100 - 0.0110 cm/cm @Pressure 60.0 - 60.0 MPa	Average value: 0.0108 cm/cm Grade Count:2
Melt Flow	2.00 - 58.0 g/10 min	Average value: 22.4 g/10 min Grade Count:120
Spiral Flow	36.0 - 43.0 cm	Average value: 39.7 cm Grade Count:3
Ash	13.0 - 24.0 %	Average value: 17.4 % Grade Count:10
	15.0 - 15.0 % @Temperature 625 - 625 °C	Average value: 15.0 % Grade Count:1

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	70.0 - 109	Average value: 90.2 Grade Count:42
Hardness, Rockwell R	90.0 - 120	Average value: 115 Grade Count:33
Ball Indentation Hardness	128 - 200 MPa	Average value: 167 MPa Grade Count:11
Tensile Strength, Ultimate	47.0 - 140 MPa	Average value: 99.8 MPa Grade Count:268
	40.0 - 165 MPa @Temperature -40.0 - 150 °C	Average value: 79.0 MPa Grade Count:8
Tensile Strength, Yield	62.1 - 125 MPa	Average value: 96.9 MPa Grade Count:80
Elongation at Break	1.00 - 155 %	Average value: 5.03 % Grade Count:285
	1.90 - 6.30 % @Temperature 0.000 - 150 °C	Average value: 4.37 % Grade Count:5
Elongation at Yield	2.00 - 115 %	Average value: 11.9 % Grade Count:9
Modulus of Elasticity	3.50 - 14.0 GPa	Average value: 6.58 GPa Grade Count:179
	2.06843 - 6.41212 GPa @Temperature -40.0 - 150 °C	Average value: 4.22 GPa Grade Count:5
Flexural Yield Strength	86.0 - 190 MPa	Average value: 152 MPa Grade Count:241
	80.0 - 80.0 MPa @Temperature 90.0 - 90.0 °C	Average value: 80.0 MPa Grade Count:1
Flexural Modulus	3.20 - 10.0 GPa	Average value: 5.66 GPa Grade Count:245
	3.50 - 5.00 GPa @Temperature 60.0 - 120 °C	Average value: 4.03 GPa Grade Count:2
Flexural Strain at Break	3.00 - 4.50 %	Average value: 3.54 % Grade Count:5
Flexural Strain at Yield	3.70 - 4.40 %	Average value: 4.06 % Grade Count:5
Poissons Ratio	0.340 - 0.370	Average value: 0.351 Grade Count:14
Izod Impact	50.0 J	Average value: 50.0 J Grade Count:3
	50.0 - 50.0 J @Temperature -30.0 - 0.000 °C	Average value: 50.0 J Grade Count:3
Izod Impact, Notched	0.267 - 1.60 J/cm	Average value: 0.634 J/cm Grade Count:134
	0.430 - 0.600 J/cm @Temperature -40.0 - -20.0 °C	Average value: 0.570 J/cm Grade Count:5
Izod Impact, Unnotched	0.588 - 8.17 J/cm	Average value: 5.37 J/cm Grade Count:20
	3.30 - 3.60 J/cm @Temperature -30.0 - -30.0 °C	Average value: 3.52 J/cm Grade Count:4
Izod Impact, Notched (ISO)	3.50 - 60.0 kJ/m²	Average value: 8.25 kJ/m² Grade Count:85
	4.00 - 10.0 kJ/m² @Temperature -40.0 - 30.0 °C	Average value: 7.18 kJ/m² Grade Count:26
Izod Impact, Unnotched (ISO)	12.2 - 65.0 kJ/m²	Average value: 44.0 kJ/m² Grade Count:41
	10.5 - 55.0 kJ/m² @Temperature -40.0 - 30.0 °C	Average value: 33.5 kJ/m² Grade Count:18
Charpy Impact Unnotched	0.450 - 6.90 J/cm²	Average value: 4.32 J/cm² Grade Count:121
	1.39 - 6.50 J/cm² @Temperature -40.0 - -20.0 °C	Average value: 3.77 J/cm² Grade Count:73
Charpy Impact, Notched	0.350 - 2.00 J/cm²	Average value: 0.737 J/cm² Grade Count:167
	0.300 - 1.00 J/cm² @Temperature -40.0 - -20.0 °C	Average value: 0.690 J/cm² Grade Count:76
Dart Drop, Total Energy	5.00 J	Average value: 5.00 J Grade Count:3
Coefficient of Friction	0.150 - 0.200	Average value: 0.174 Grade Count:4
Tensile Creep Modulus, 1 hour	3500 - 7300 MPa	Average value: 5600 MPa Grade Count:11
Tensile Creep Modulus, 1000 hours	2400 - 6900 MPa	Average value: 4510 MPa Grade Count:12

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+13 - 1.00e+17 ohm-cm	Average value: 1.44e+16 ohm-cm Grade Count:173
Surface Resistance	120 - 3.00e+17 ohm	Average value: 1.02e+16 ohm Grade Count:103
Dielectric Constant	2.70 - 5.20	Average value: 3.63 Grade Count:119
Dielectric Strength	14.0 - 100 kV/mm	Average value: 24.8 kV/mm Grade Count:157
Dissipation Factor	0.000700 - 0.150	Average value: 0.0167 Grade Count:87
Dielectric Loss Index	0.00200 - 0.0200	Average value: 0.0187 Grade Count:14
Arc Resistance	0.000 - 180 sec	Average value: 111 sec Grade Count:30
Comparative Tracking Index	125 - 600 V	Average value: 330 V Grade Count:120
Hot Wire Ignition, HWI	7.00 - 120 sec	Average value: 36.4 sec Grade Count:8
High Amp Arc Ignition, HAI	30.0 - 120 arcs	Average value: 112 arcs Grade Count:8
High Voltage Arc-Tracking Rate, HVTR	25.4 - 150 mm/min	Average value: 99.5 mm/min Grade Count:5

Thermal Properties	Original Value	Comments
CTE, linear	20.0 - 110 µm/m-°C	Average value: 40.4 µm/m-°C Grade Count:117
	30.0 - 30.0 µm/m-°C @Temperature 50.0 - 120 °C	Average value: 30.0 µm/m-°C Grade Count:1
CTE, linear, Transverse to Flow	61.0 - 173 µm/m-°C	Average value: 99.7 µm/m-°C Grade Count:68
	150 - 150 µm/m-°C @Temperature 50.0 - 120 °C	Average value: 150 µm/m-°C Grade Count:1
Specific Heat Capacity	1.50 - 1.84 J/g-°C	Average value: 1.67 J/g-°C Grade Count:6
	1.85 - 1.90 J/g-°C @Temperature 205 - 250 °C	Average value: 1.87 J/g-°C Grade Count:5
Thermal Conductivity	0.150 - 0.280 W/m-K	Average value: 0.217 W/m-K Grade Count:9
	0.240 - 0.260 W/m-K @Temperature 205 - 250 °C	Average value: 0.248 W/m-K Grade Count:5
Melting Point	178 - 255 °C	Average value: 224 °C Grade Count:158
Maximum Service Temperature, Air	75.0 - 330 °C	Average value: 167 °C Grade Count:28
Hot Ball Pressure Test	125 - 215 °C	Average value: 159 °C Grade Count:5
Deflection Temperature at 0.46 MPa (66 psi)	99.0 - 230 °C	Average value: 213 °C Grade Count:217
Deflection Temperature at 1.8 MPa (264 psi)	65.0 - 220 °C	Average value: 194 °C Grade Count:299
Deflection Temperature at 8.0 MPa	65.0 - 140 °C	Average value: 94.4 °C Grade Count:16
Vicat Softening Point	128 - 220 °C	Average value: 206 °C Grade Count:74
Glass Transition Temp, Tg	44.0 - 65.0 °C	Average value: 57.5 °C Grade Count:23
UL RTI, Electrical	50.0 - 140 °C	Average value: 127 °C Grade Count:13
UL RTI, Mechanical with Impact	50.0 - 140 °C	Average value: 121 °C Grade Count:13
UL RTI, Mechanical without Impact	50.0 - 140 °C	Average value: 124 °C Grade Count:13
Flammability, UL94	HB - 5VA	Grade Count:292
Flame Spread	24.0 - 100 mm/min	Average value: 45.5 mm/min Grade Count:12
Oxygen Index	19.0 - 35.0 %	Average value: 24.7 % Grade Count:37
Glow Wire Test	650 - 960 °C	Average value: 802 °C Grade Count:53

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 275 °C	Average value: 184 °C Grade Count:51
Nozzle Temperature	225 - 270 °C	Average value: 250 °C Grade Count:55
Die Temperature	240 - 275 °C	Average value: 257 °C Grade Count:22
Melt Temperature	203 - 280 °C	Average value: 250 °C Grade Count:159
Mold Temperature	30.0 - 130 °C	Average value: 79.9 °C Grade Count:174
Injection Velocity	70.0 - 300 mm/sec	Average value: 261 mm/sec Grade Count:16
Drying Temperature	80.0 - 140 °C	Average value: 118 °C Grade Count:141
Moisture Content	0.000 - 0.400 %	Average value: 0.0417 % Grade Count:86
Dew Point	-40.0 - -28.9 °C	Average value: -29.8 °C Grade Count:12
Injection Pressure	3.50 - 120 MPa	Average value: 80.9 MPa Grade Count:45
Vent Depth	0.00127 - 0.00381 cm	Average value: 0.00154 cm Grade Count:7
Hot-Working Temperature	250 - 260 °C	Average value: 255 °C Grade Count:5
Precipitation Temperature	40.0 - 60.0 °C	Average value: 50.0 °C Grade Count:3

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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O3212 / 78172

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