Overview of materials for Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Unreinforced

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Overview of materials for Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Unreinforced
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Unreinforced; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Unreinforced". 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	1.10 - 1.90 g/cc	Average value: 1.23 g/cc Grade Count:322
	1.02 - 1.03 g/cc @Temperature 260 - 260 °C	Average value: 1.02 g/cc Grade Count:12
Water Absorption	0.0200 - 0.700 %	Average value: 0.295 % Grade Count:120
Moisture Absorption at Equilibrium	0.0200 - 0.700 %	Average value: 0.128 % Grade Count:97
Water Absorption at Saturation	0.0800 - 0.500 %	Average value: 0.407 % Grade Count:17
Viscosity	7.00 - 42.0 cP @Temperature 250 - 265 °C	Average value: 208 cP Grade Count:9
	7.00 - 42.0 cP @Load 5.00 - 5.00 kg	Average value: 208 cP Grade Count:9
	570 - 700 cP @Temperature 260 - 260 °C	Average value: 208 cP Grade Count:4
	570 - 700 cP @Frequency 165 - 165 Hz	Average value: 208 cP Grade Count:4
	210 - 260 cP @Temperature 260 - 260 °C	Average value: 208 cP Grade Count:8
	210 - 260 cP @Shear Rate 1500 - 1500 1/s	Average value: 208 cP Grade Count:8
Maximum Moisture Content	0.00200 - 0.0200	Average value: 0.0190 Grade Count:28
Linear Mold Shrinkage	0.0000300 - 0.0230 cm/cm	Average value: 0.00844 cm/cm Grade Count:254
Linear Mold Shrinkage, Transverse	0.00110 - 0.0240 cm/cm	Average value: 0.00858 cm/cm Grade Count:65
Melt Flow	1.30 - 90.0 g/10 min	Average value: 17.2 g/10 min Grade Count:236

Mechanical Properties	Original Value	Comments
Hardness, Rockwell L	89.0 - 94.0	Average value: 90.3 Grade Count:4
Hardness, Rockwell R	95.0 - 120	Average value: 113 Grade Count:35
Hardness, Shore D	76.0 - 79.0	Average value: 76.6 Grade Count:5
Ball Indentation Hardness	82.0 - 108 MPa	Average value: 99.2 MPa Grade Count:28
Tensile Strength, Ultimate	27.0 - 106 MPa	Average value: 52.1 MPa Grade Count:169
	20.0 - 20.0 MPa @Temperature 60.0 - 60.0 °C	Average value: 20.0 MPa Grade Count:1
Tensile Strength, Yield	32.0 - 105 MPa	Average value: 54.8 MPa Grade Count:252
Elongation at Break	2.60 - 200 %	Average value: 87.5 % Grade Count:275
	75.0 - 75.0 % @Temperature 60.0 - 120 °C	Average value: 91.7 % Grade Count:1
Elongation at Yield	1.60 - 20.0 %	Average value: 4.39 % Grade Count:132
	>= 10.0 % @Temperature 60.0 - 120 °C	Average value: 10.0 % Grade Count:1
Modulus of Elasticity	0.00230 - 9.75 GPa	Average value: 2.64 GPa Grade Count:155
	1.00 - 1.40 GPa @Temperature 60.0 - 120 °C	Average value: 1.20 GPa Grade Count:1
Flexural Yield Strength	39.0 - 160 MPa	Average value: 83.9 MPa Grade Count:269
Flexural Modulus	1.46 - 7.75 GPa	Average value: 2.38 GPa Grade Count:279
Flexural Strain at Yield	5.00 - 6.00 %	Average value: 5.57 % Grade Count:9
Izod Impact	39.0 - 740 J	Average value: 389 J Grade Count:22
	90.0 - 710 J @Temperature -40.0 - 0.000 °C	Average value: 328 J Grade Count:9
Izod Impact, Notched	0.392 - 981 J/cm	Average value: 7.16 J/cm Grade Count:204
	0.500 - 8.50 J/cm @Temperature -40.0 - 0.000 °C	Average value: 4.01 J/cm Grade Count:76
	1.00 - 7.84532 J/cm @Temperature -40.0 - -20.0 °C	Average value: 4.01 J/cm Grade Count:40
	1.00 - 7.84532 J/cm @Thickness 1.57 - 6.40 mm	Average value: 4.01 J/cm Grade Count:40
Izod Impact, Unnotched	5.22 J/cm - NB	Average value: 13.1 J/cm Grade Count:36
	99.99 J/cm - NB @Temperature -30.0 - -30.0 °C	Average value: 4.50 J/cm Grade Count:10
	4.50 - 4.50 J/cm @Temperature -40.0 - -40.0 °C	Average value: 4.50 J/cm Grade Count:1
	4.50 - 4.50 J/cm @Thickness 3.20 - 3.20 mm	Average value: 4.50 J/cm Grade Count:1
Izod Impact, Notched (ISO)	3.00 - 66.0 kJ/m²	Average value: 40.5 kJ/m² Grade Count:107
	3.00 - 65.0 kJ/m² @Temperature -40.0 - 40.0 °C	Average value: 28.5 kJ/m² Grade Count:100
Izod Impact, Unnotched (ISO)	30.0 kJ/m² - NB	Average value: 90.9 kJ/m² Grade Count:43
	30.0 kJ/m² - NB @Temperature -40.0 - -30.0 °C	Average value: 85.7 kJ/m² Grade Count:43
Charpy Impact Unnotched	3.50 J/cm² - NB	Average value: 5.50 J/cm² Grade Count:62
	2.20 J/cm² - NB @Temperature -40.0 - -20.0 °C	Average value: 7.84 J/cm² Grade Count:61
Charpy Impact, Notched	0.400 - 7.20 J/cm²	Average value: 4.48 J/cm² Grade Count:114
	0.300 - 5.60 J/cm² @Temperature -40.0 - 0.000 °C	Average value: 2.61 J/cm² Grade Count:68
Gardner Impact	36.2 - 54.0 J	Average value: 40.1 J Grade Count:11
Dart Drop, Total Energy	5.00 - 100 J	Average value: 51.1 J Grade Count:71
	3.00 - 72.0 J @Temperature -40.0 - 0.000 °C	Average value: 43.5 J Grade Count:22
Puncture Energy	45.0 - 47.0 J	Average value: 46.3 J Grade Count:11
	55.0 - 58.0 J @Temperature -30.0 - -30.0 °C	Average value: 57.0 J Grade Count:11
Taber Abrasion, mg/1000 Cycles	16.0 - 30.0	Average value: 28.3 Grade Count:20

Electrical Properties	Original Value	Comments
Electrical Resistivity	100 - 1.00e+17 ohm-cm	Average value: 1.58e+16 ohm-cm Grade Count:73
Surface Resistance	100 - 1.00e+17 ohm	Average value: 1.25e+16 ohm Grade Count:51
Dielectric Constant	2.80 - 4.00	Average value: 3.20 Grade Count:49
Dielectric Strength	15.0 - 35.0 kV/mm	Average value: 23.8 kV/mm Grade Count:52
Dissipation Factor	0.000600 - 0.0300	Average value: 0.00877 Grade Count:47
Arc Resistance	0.000 - 180 sec	Average value: 132 sec Grade Count:22
Comparative Tracking Index	100 - 600 V	Average value: 432 V Grade Count:54
Hot Wire Ignition, HWI	7.00 - 120 sec	Average value: 42.3 sec Grade Count:15
High Amp Arc Ignition, HAI	0.000 - 120 arcs	Average value: 93.6 arcs Grade Count:15
High Voltage Arc-Tracking Rate, HVTR	0.000 - 150 mm/min	Average value: 28.3 mm/min Grade Count:15

Thermal Properties	Original Value	Comments
CTE, linear	23.4 - 171 µm/m-°C	Average value: 79.7 µm/m-°C Grade Count:133
	19.8 - 122.4 µm/m-°C @Temperature 60.0 - 138 °C	Average value: 57.0 µm/m-°C Grade Count:5
CTE, linear, Transverse to Flow	63.0 - 200 µm/m-°C	Average value: 90.7 µm/m-°C Grade Count:106
	108 - 108 µm/m-°C @Temperature 60.0 - 138 °C	Average value: 108 µm/m-°C Grade Count:1
Specific Heat Capacity	1.78 - 1.88 J/g-°C	Average value: 1.83 J/g-°C Grade Count:12
Thermal Conductivity	0.167 - 0.200 W/m-K	Average value: 0.188 W/m-K Grade Count:42
Melting Point	219 - 271 °C	Average value: 225 °C Grade Count:35
Maximum Service Temperature, Air	90.0 - 150 °C	Average value: 115 °C Grade Count:6
Hot Ball Pressure Test	75.0 - 145 °C	Average value: 100 °C Grade Count:15
Deflection Temperature at 0.46 MPa (66 psi)	70.0 - 205 °C	Average value: 111 °C Grade Count:185
Deflection Temperature at 1.8 MPa (264 psi)	50.0 - 163 °C	Average value: 92.3 °C Grade Count:289
Vicat Softening Point	100 - 212 °C	Average value: 128 °C Grade Count:131
UL RTI, Electrical	75.0 - 140 °C	Average value: 88.7 °C Grade Count:30
UL RTI, Mechanical with Impact	75.0 - 130 °C	Average value: 87.5 °C Grade Count:30
UL RTI, Mechanical without Impact	75.0 - 140 °C	Average value: 89.3 °C Grade Count:30
Flammability, UL94	HB - 5VA	Grade Count:156
Oxygen Index	20.0 - 29.0 %	Average value: 21.4 % Grade Count:19
Glow Wire Test	650 - 960 °C	Average value: 782 °C Grade Count:24

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 280 °C	Average value: 119 °C Grade Count:52
Nozzle Temperature	230 - 302 °C	Average value: 261 °C Grade Count:139
Melt Temperature	170 - 330 °C	Average value: 258 °C Grade Count:215
Mold Temperature	26.7 - 110 °C	Average value: 72.0 °C Grade Count:223
Injection Velocity	200 mm/sec	Average value: 200 mm/sec Grade Count:20
Roll Temperature	70.0 - 100 °C	Average value: 81.4 °C Grade Count:3
Drying Temperature	80.0 - 138 °C	Average value: 108 °C Grade Count:209
Moisture Content	0.000 - 0.0800 %	Average value: 0.0198 % Grade Count:121
Dew Point	-40.0 - -17.8 °C	Average value: -30.3 °C Grade Count:8
Injection Pressure	34.5 - 172 MPa	Average value: 90.4 MPa Grade Count:9
Vent Depth	0.00127 - 0.00889 cm	Average value: 0.00259 cm Grade Count:57

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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