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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 PropertiesMetricEnglishComments
Density 1.10 - 1.90 g/cc0.0397 - 0.0686 lb/in³Average value: 1.23 g/cc Grade Count:322
 1.02 - 1.03 g/cc
@Temperature 260 - 260 °C		0.0368 - 0.0372 lb/in³
@Temperature 500 - 500 °F		Average value: 1.02 g/cc Grade Count:12
Water Absorption 0.0200 - 0.700 %0.0200 - 0.700 %Average value: 0.295 % Grade Count:120
Moisture Absorption at Equilibrium 0.0200 - 0.700 %0.0200 - 0.700 %Average value: 0.128 % Grade Count:97
Water Absorption at Saturation 0.0800 - 0.500 %0.0800 - 0.500 %Average value: 0.407 % Grade Count:17
Viscosity  7.00 - 42.0 cP
@Temperature 250 - 265 °C		7.00 - 42.0 cP
@Temperature 482 - 509 °F		Average value: 208 cP Grade Count:9
 7.00 - 42.0 cP
@Load 5.00 - 5.00 kg		7.00 - 42.0 cP
@Load 11.0 - 11.0 lb		Average value: 208 cP Grade Count:9
 570 - 700 cP
@Temperature 260 - 260 °C		570 - 700 cP
@Temperature 500 - 500 °F		Average value: 208 cP Grade Count:4
 570 - 700 cP
@Frequency 165 - 165 Hz		570 - 700 cP
@Frequency 165 - 165 Hz		Average value: 208 cP Grade Count:4
 210 - 260 cP
@Temperature 260 - 260 °C		210 - 260 cP
@Temperature 500 - 500 °F		Average value: 208 cP Grade Count:8
 210 - 260 cP
@Shear Rate 1500 - 1500 1/s		210 - 260 cP
@Shear Rate 1500 - 1500 1/s		Average value: 208 cP Grade Count:8
Maximum Moisture Content 0.00200 - 0.02000.00200 - 0.0200Average value: 0.0190 Grade Count:28
Linear Mold Shrinkage 0.0000300 - 0.0230 cm/cm0.0000300 - 0.0230 in/inAverage value: 0.00844 cm/cm Grade Count:254
Linear Mold Shrinkage, Transverse 0.00110 - 0.0240 cm/cm0.00110 - 0.0240 in/inAverage value: 0.00858 cm/cm Grade Count:65
Melt Flow 1.30 - 90.0 g/10 min1.30 - 90.0 g/10 minAverage value: 17.2 g/10 min Grade Count:236
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell L 89.0 - 94.089.0 - 94.0Average value: 90.3 Grade Count:4
Hardness, Rockwell R 95.0 - 12095.0 - 120Average value: 113 Grade Count:35
Hardness, Shore D 76.0 - 79.076.0 - 79.0Average value: 76.6 Grade Count:5
Ball Indentation Hardness 82.0 - 108 MPa11900 - 15700 psiAverage value: 99.2 MPa Grade Count:28
Tensile Strength, Ultimate 27.0 - 106 MPa3920 - 15400 psiAverage value: 52.1 MPa Grade Count:169
 20.0 - 20.0 MPa
@Temperature 60.0 - 60.0 °C		2900 - 2900 psi
@Temperature 140 - 140 °F		Average value: 20.0 MPa Grade Count:1
Tensile Strength, Yield 32.0 - 105 MPa4640 - 15200 psiAverage value: 54.8 MPa Grade Count:252
Elongation at Break 2.60 - 200 %2.60 - 200 %Average value: 87.5 % Grade Count:275
 75.0 - 75.0 %
@Temperature 60.0 - 120 °C		75.0 - 75.0 %
@Temperature 140 - 248 °F		Average value: 91.7 % Grade Count:1
Elongation at Yield 1.60 - 20.0 %1.60 - 20.0 %Average value: 4.39 % Grade Count:132
 >= 10.0 %
@Temperature 60.0 - 120 °C		>= 10.0 %
@Temperature 140 - 248 °F		Average value: 10.0 % Grade Count:1
Modulus of Elasticity 0.00230 - 9.75 GPa0.334 - 1410 ksiAverage value: 2.64 GPa Grade Count:155
 1.00 - 1.40 GPa
@Temperature 60.0 - 120 °C		145 - 203 ksi
@Temperature 140 - 248 °F		Average value: 1.20 GPa Grade Count:1
Flexural Yield Strength 39.0 - 160 MPa5660 - 23200 psiAverage value: 83.9 MPa Grade Count:269
Flexural Modulus 1.46 - 7.75 GPa211 - 1120 ksiAverage value: 2.38 GPa Grade Count:279
Flexural Strain at Yield 5.00 - 6.00 %5.00 - 6.00 %Average value: 5.57 % Grade Count:9
Izod Impact 39.0 - 740 J28.8 - 546 ft-lbAverage value: 389 J Grade Count:22
 90.0 - 710 J
@Temperature -40.0 - 0.000 °C		66.4 - 524 ft-lb
@Temperature -40.0 - 32.0 °F		Average value: 328 J Grade Count:9
Izod Impact, Notched 0.392 - 981 J/cm0.735 - 1840 ft-lb/inAverage value: 7.16 J/cm Grade Count:204
 0.500 - 8.50 J/cm
@Temperature -40.0 - 0.000 °C		0.937 - 15.9 ft-lb/in
@Temperature -40.0 - 32.0 °F		Average value: 4.01 J/cm Grade Count:76
 1.00 - 7.84532 J/cm
@Temperature -40.0 - -20.0 °C		1.87 - 14.6975 ft-lb/in
@Temperature -40.0 - -4.00 °F		Average value: 4.01 J/cm Grade Count:40
 1.00 - 7.84532 J/cm
@Thickness 1.57 - 6.40 mm		1.87 - 14.6975 ft-lb/in
@Thickness 0.0618 - 0.252 in		Average value: 4.01 J/cm Grade Count:40
Izod Impact, Unnotched 5.22 J/cm - NB9.78 ft-lb/in - NBAverage value: 13.1 J/cm Grade Count:36
 99.99 J/cm - NB
@Temperature -30.0 - -30.0 °C		187.3 ft-lb/in - NB
@Temperature -22.0 - -22.0 °F		Average value: 4.50 J/cm Grade Count:10
 4.50 - 4.50 J/cm
@Temperature -40.0 - -40.0 °C		8.43 - 8.43 ft-lb/in
@Temperature -40.0 - -40.0 °F		Average value: 4.50 J/cm Grade Count:1
 4.50 - 4.50 J/cm
@Thickness 3.20 - 3.20 mm		8.43 - 8.43 ft-lb/in
@Thickness 0.126 - 0.126 in		Average value: 4.50 J/cm Grade Count:1
Izod Impact, Notched (ISO) 3.00 - 66.0 kJ/m²1.43 - 31.4 ft-lb/in²Average value: 40.5 kJ/m² Grade Count:107
 3.00 - 65.0 kJ/m²
@Temperature -40.0 - 40.0 °C		1.43 - 30.9 ft-lb/in²
@Temperature -40.0 - 104 °F		Average value: 28.5 kJ/m² Grade Count:100
Izod Impact, Unnotched (ISO) 30.0 kJ/m² - NB14.3 ft-lb/in² - NBAverage value: 90.9 kJ/m² Grade Count:43
 30.0 kJ/m² - NB
@Temperature -40.0 - -30.0 °C		14.3 ft-lb/in² - NB
@Temperature -40.0 - -22.0 °F		Average value: 85.7 kJ/m² Grade Count:43
Charpy Impact Unnotched 3.50 J/cm² - NB16.7 ft-lb/in² - NBAverage value: 5.50 J/cm² Grade Count:62
 2.20 J/cm² - NB
@Temperature -40.0 - -20.0 °C		10.5 ft-lb/in² - NB
@Temperature -40.0 - -4.00 °F		Average value: 7.84 J/cm² Grade Count:61
Charpy Impact, Notched 0.400 - 7.20 J/cm²1.90 - 34.3 ft-lb/in²Average value: 4.48 J/cm² Grade Count:114
 0.300 - 5.60 J/cm²
@Temperature -40.0 - 0.000 °C		1.43 - 26.7 ft-lb/in²
@Temperature -40.0 - 32.0 °F		Average value: 2.61 J/cm² Grade Count:68
Gardner Impact 36.2 - 54.0 J26.7 - 39.8 ft-lbAverage value: 40.1 J Grade Count:11
Dart Drop, Total Energy 5.00 - 100 J3.69 - 73.8 ft-lbAverage value: 51.1 J Grade Count:71
 3.00 - 72.0 J
@Temperature -40.0 - 0.000 °C		2.21 - 53.1 ft-lb
@Temperature -40.0 - 32.0 °F		Average value: 43.5 J Grade Count:22
Puncture Energy 45.0 - 47.0 J33.2 - 34.7 ft-lbAverage value: 46.3 J Grade Count:11
 55.0 - 58.0 J
@Temperature -30.0 - -30.0 °C		40.6 - 42.8 ft-lb
@Temperature -22.0 - -22.0 °F		Average value: 57.0 J Grade Count:11
Taber Abrasion, mg/1000 Cycles 16.0 - 30.016.0 - 30.0Average value: 28.3 Grade Count:20
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 100 - 1.00e+17 ohm-cm100 - 1.00e+17 ohm-cmAverage value: 1.58e+16 ohm-cm Grade Count:73
Surface Resistance 100 - 1.00e+17 ohm100 - 1.00e+17 ohmAverage value: 1.25e+16 ohm Grade Count:51
Dielectric Constant 2.80 - 4.002.80 - 4.00Average value: 3.20 Grade Count:49
Dielectric Strength 15.0 - 35.0 kV/mm381 - 889 kV/inAverage value: 23.8 kV/mm Grade Count:52
Dissipation Factor 0.000600 - 0.03000.000600 - 0.0300Average value: 0.00877 Grade Count:47
Arc Resistance 0.000 - 180 sec0.000 - 180 secAverage value: 132 sec Grade Count:22
Comparative Tracking Index 100 - 600 V100 - 600 VAverage value: 432 V Grade Count:54
Hot Wire Ignition, HWI 7.00 - 120 sec7.00 - 120 secAverage value: 42.3 sec Grade Count:15
High Amp Arc Ignition, HAI 0.000 - 120 arcs0.000 - 120 arcsAverage value: 93.6 arcs Grade Count:15
High Voltage Arc-Tracking Rate, HVTR 0.000 - 150 mm/min0.000 - 5.91 in/minAverage value: 28.3 mm/min Grade Count:15
 
Thermal PropertiesMetricEnglishComments
CTE, linear 23.4 - 171 µm/m-°C13.0 - 95.0 µin/in-°FAverage value: 79.7 µm/m-°C Grade Count:133
 19.8 - 122.4 µm/m-°C
@Temperature 60.0 - 138 °C		11.0 - 68.00 µin/in-°F
@Temperature 140 - 280 °F		Average value: 57.0 µm/m-°C Grade Count:5
CTE, linear, Transverse to Flow 63.0 - 200 µm/m-°C35.0 - 111 µin/in-°FAverage value: 90.7 µm/m-°C Grade Count:106
 108 - 108 µm/m-°C
@Temperature 60.0 - 138 °C		60.0 - 60.0 µin/in-°F
@Temperature 140 - 280 °F		Average value: 108 µm/m-°C Grade Count:1
Specific Heat Capacity 1.78 - 1.88 J/g-°C0.425 - 0.449 BTU/lb-°FAverage value: 1.83 J/g-°C Grade Count:12
Thermal Conductivity 0.167 - 0.200 W/m-K1.16 - 1.39 BTU-in/hr-ft²-°FAverage value: 0.188 W/m-K Grade Count:42
Melting Point 219 - 271 °C426 - 520 °FAverage value: 225 °C Grade Count:35
Maximum Service Temperature, Air 90.0 - 150 °C194 - 302 °FAverage value: 115 °C Grade Count:6
Hot Ball Pressure Test 75.0 - 145 °C167 - 293 °FAverage value: 100 °C Grade Count:15
Deflection Temperature at 0.46 MPa (66 psi) 70.0 - 205 °C158 - 401 °FAverage value: 111 °C Grade Count:185
Deflection Temperature at 1.8 MPa (264 psi) 50.0 - 163 °C122 - 325 °FAverage value: 92.3 °C Grade Count:289
Vicat Softening Point 100 - 212 °C212 - 414 °FAverage value: 128 °C Grade Count:131
UL RTI, Electrical 75.0 - 140 °C167 - 284 °FAverage value: 88.7 °C Grade Count:30
UL RTI, Mechanical with Impact 75.0 - 130 °C167 - 266 °FAverage value: 87.5 °C Grade Count:30
UL RTI, Mechanical without Impact 75.0 - 140 °C167 - 284 °FAverage value: 89.3 °C Grade Count:30
Flammability, UL94 HB - 5VAHB - 5VAGrade Count:156
Oxygen Index 20.0 - 29.0 %20.0 - 29.0 %Average value: 21.4 % Grade Count:19
Glow Wire Test 650 - 960 °C1200 - 1760 °FAverage value: 782 °C Grade Count:24
 
Processing PropertiesMetricEnglishComments
Processing Temperature 20.0 - 280 °C68.0 - 536 °FAverage value: 119 °C Grade Count:52
Nozzle Temperature 230 - 302 °C446 - 575 °FAverage value: 261 °C Grade Count:139
Melt Temperature 170 - 330 °C338 - 626 °FAverage value: 258 °C Grade Count:215
Mold Temperature 26.7 - 110 °C80.0 - 230 °FAverage value: 72.0 °C Grade Count:223
Injection Velocity 200 mm/sec7.87 in/secAverage value: 200 mm/sec Grade Count:20
Roll Temperature 70.0 - 100 °C158 - 212 °FAverage value: 81.4 °C Grade Count:3
Drying Temperature 80.0 - 138 °C176 - 280 °FAverage value: 108 °C Grade Count:209
Moisture Content 0.000 - 0.0800 %0.000 - 0.0800 %Average value: 0.0198 % Grade Count:121
Dew Point -40.0 - -17.8 °C-40.0 - 0.000 °FAverage value: -30.3 °C Grade Count:8
Injection Pressure 34.5 - 172 MPa5000 - 25000 psiAverage value: 90.4 MPa Grade Count:9
Vent Depth 0.00127 - 0.00889 cm0.000500 - 0.00350 inAverage 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 view all the property values for this datasheet as they were originally entered into MatWeb.

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