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Master Bond adhesives

Overview of materials for Polybutylene Terephthalate (PBT), Unreinforced, Molded
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), Unreinforced, Molded". 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 0.900 - 1.92 g/cc0.0325 - 0.0694 lb/in³Average value: 1.38 g/cc Grade Count:400
Filler Content 17.0 - 25.0 %17.0 - 25.0 %Average value: 19.7 % Grade Count:3
Water Absorption 0.000 - 0.600 %0.000 - 0.600 %Average value: 0.187 % Grade Count:136
Moisture Absorption at Equilibrium 0.0100 - 0.500 %0.0100 - 0.500 %Average value: 0.0970 % Grade Count:171
Water Absorption at Saturation 0.0900 - 0.500 %0.0900 - 0.500 %Average value: 0.380 % Grade Count:64
Viscosity 1.60 - 600000 cP1.60 - 600000 cPAverage value: 201000 cP Grade Count:7
 7.00 - 87.0 cP
@Temperature 250 - 285 °C		7.00 - 87.0 cP
@Temperature 482 - 545 °F		Average value: 36800 cP Grade Count:35
 7.00 - 87.0 cP
@Load 1.20 - 5.00 kg		7.00 - 87.0 cP
@Load 2.65 - 11.0 lb		Average value: 36800 cP Grade Count:35
 8000 - 800000 cP
@Shear Rate 1.00 - 100000 1/s		8000 - 800000 cP
@Shear Rate 1.00 - 100000 1/s		Average value: 36800 cP Grade Count:2
 8000 - 800000 cP
@Temperature 230 - 270 °C		8000 - 800000 cP
@Temperature 446 - 518 °F		Average value: 36800 cP Grade Count:2
Viscosity Test 66.5 - 160 cm³/g0.665 - 1.60 dl/gAverage value: 111 cm³/g Grade Count:20
Viscosity Number 0.600 - 180 cm³/g0.00600 - 1.80 dl/gAverage value: 113 cm³/g Grade Count:17
Maximum Moisture Content 0.02000.0200Average value: 0.0200 Grade Count:25
 0.200 - 0.200
@Temperature 120 - 120 °C		0.200 - 0.200
@Temperature 248 - 248 °F		Average value: 0.200 Grade Count:1
 0.200 - 0.200
@Time 299 - 299 sec		0.200 - 0.200
@Time 0.0830 - 0.0830 hour		Average value: 0.200 Grade Count:1
Linear Mold Shrinkage 0.00100 - 0.0400 cm/cm0.00100 - 0.0400 in/inAverage value: 0.0143 cm/cm Grade Count:313
 0.00400 - 0.0150 cm/cm
@Temperature 80.0 - 80.0 °C		0.00400 - 0.0150 in/in
@Temperature 176 - 176 °F		Average value: 0.0136 cm/cm Grade Count:3
 0.0180 - 0.0180 cm/cm
@Temperature 260 - 260 °C		0.0180 - 0.0180 in/in
@Temperature 500 - 500 °F		Average value: 0.0136 cm/cm Grade Count:2
 0.0180 - 0.0180 cm/cm
@Pressure 60.0 - 60.0 MPa		0.0180 - 0.0180 in/in
@Pressure 8700 - 8700 psi		Average value: 0.0136 cm/cm Grade Count:2
Linear Mold Shrinkage, Transverse 0.00160 - 0.0400 cm/cm0.00160 - 0.0400 in/inAverage value: 0.0161 cm/cm Grade Count:180
 0.00900 - 0.0170 cm/cm
@Temperature 80.0 - 80.0 °C		0.00900 - 0.0170 in/in
@Temperature 176 - 176 °F		Average value: 0.0153 cm/cm Grade Count:3
 0.0180 - 0.0180 cm/cm
@Temperature 260 - 260 °C		0.0180 - 0.0180 in/in
@Temperature 500 - 500 °F		Average value: 0.0153 cm/cm Grade Count:2
 0.0180 - 0.0180 cm/cm
@Pressure 60.0 - 60.0 MPa		0.0180 - 0.0180 in/in
@Pressure 8700 - 8700 psi		Average value: 0.0153 cm/cm Grade Count:2
Melt Flow 3.00 - 570 g/10 min3.00 - 570 g/10 minAverage value: 38.9 g/10 min Grade Count:191
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 55.0 - 90.055.0 - 90.0Average value: 80.5 Grade Count:50
Hardness, Rockwell R 107 - 120107 - 120Average value: 117 Grade Count:25
Hardness, Shore D 40.0 - 87.040.0 - 87.0Average value: 74.3 Grade Count:24
Ball Indentation Hardness 50.0 - 160 MPa7250 - 23200 psiAverage value: 132 MPa Grade Count:21
Tensile Strength, Ultimate 26.0 - 178 MPa3770 - 25800 psiAverage value: 74.3 MPa Grade Count:235
Tensile Strength, Yield 21.0 - 166 MPa3050 - 24100 psiAverage value: 65.1 MPa Grade Count:231
 22.0 - 105 MPa
@Temperature -40.0 - 100 °C		3190 - 15200 psi
@Temperature -40.0 - 212 °F		Average value: 63.5 MPa Grade Count:1
Elongation at Break 0.600 - 300 %0.600 - 300 %Average value: 42.7 % Grade Count:353
 >= 100 %
@Temperature 60.0 - 120 °C		>= 100 %
@Temperature 140 - 248 °F		Average value: 100 % Grade Count:2
Elongation at Yield 1.00 - 75.0 %1.00 - 75.0 %Average value: 6.94 % Grade Count:179
Modulus of Elasticity 0.420 - 23.4 GPa60.9 - 3390 ksiAverage value: 5.18 GPa Grade Count:252
 0.180 - 0.900 GPa
@Temperature 60.0 - 120 °C		26.1 - 131 ksi
@Temperature 140 - 248 °F		Average value: 0.505 GPa Grade Count:2
Flexural Yield Strength 22.0 - 275 MPa3190 - 39900 psiAverage value: 112 MPa Grade Count:315
 14.0 - 127 MPa
@Temperature 60.0 - 150 °C		2030 - 18400 psi
@Temperature 140 - 302 °F		Average value: 60.8 MPa Grade Count:3
Flexural Modulus 0.231 - 18.1 GPa33.5 - 2620 ksiAverage value: 4.50 GPa Grade Count:311
 0.500 - 5.80 GPa
@Temperature 60.0 - 150 °C		72.5 - 841 ksi
@Temperature 140 - 302 °F		Average value: 2.65 GPa Grade Count:3
Flexural Strain at Break 2.00 - 6.00 %2.00 - 6.00 %Average value: 5.06 % Grade Count:18
 4.60 - 7.00 %
@Temperature 60.0 - 150 °C		4.60 - 7.00 %
@Temperature 140 - 302 °F		Average value: 5.84 % Grade Count:2
Flexural Strain at Yield 5.00 - 8.90 %5.00 - 8.90 %Average value: 7.00 % Grade Count:22
Adhesive Bond Strength 31.0 - 42.0 MPa4500 - 6090 psiAverage value: 36.0 MPa Grade Count:10
Izod Impact 5.00 - 186 J3.69 - 137 ft-lbAverage value: 74.4 J Grade Count:77
 30.0 - 144 J
@Temperature -30.0 - -20.0 °C		22.1 - 106 ft-lb
@Temperature -22.0 - -4.00 °F		Average value: 83.1 J Grade Count:25
Izod Impact, Notched 0.0400 - 8.00 J/cm0.0749 - 15.0 ft-lb/inAverage value: 1.02 J/cm Grade Count:115
 0.300 - 0.300 J/cm
@Temperature -20.0 - -20.0 °C		0.562 - 0.562 ft-lb/in
@Temperature -4.00 - -4.00 °F		Average value: 2.99 J/cm Grade Count:1
 1.30 - 5.70 J/cm
@Temperature -40.0 - -20.0 °C		2.44 - 10.7 ft-lb/in
@Temperature -40.0 - -4.00 °F		Average value: 2.99 J/cm Grade Count:5
 1.30 - 5.70 J/cm
@Thickness 1.57 - 3.18 mm		2.44 - 10.7 ft-lb/in
@Thickness 0.0618 - 0.125 in		Average value: 2.99 J/cm Grade Count:5
Izod Impact, Unnotched 0.374 - 5340 J/cm0.700 - 10000 ft-lb/inAverage value: 7.29 J/cm Grade Count:85
 5.25 - 6.00 J/cm
@Temperature -30.0 - -30.0 °C		9.84 - 11.2 ft-lb/in
@Temperature -22.0 - -22.0 °F		Average value: 5.81 J/cm Grade Count:4
Izod Impact, Notched (ISO) 1.98 - 170 kJ/m²0.942 - 80.9 ft-lb/in²Average value: 11.4 kJ/m² Grade Count:144
 2.00 - 20.0 kJ/m²
@Temperature -40.0 - -20.0 °C		0.952 - 9.52 ft-lb/in²
@Temperature -40.0 - -4.00 °F		Average value: 9.04 kJ/m² Grade Count:54
Izod Impact, Unnotched (ISO) 4.20 kJ/m² - NB2.00 ft-lb/in² - NBAverage value: 48.8 kJ/m² Grade Count:102
 3.80 kJ/m² - NB
@Temperature -40.0 - -30.0 °C		1.81 ft-lb/in² - NB
@Temperature -40.0 - -22.0 °F		Average value: 88.9 kJ/m² Grade Count:27
Charpy Impact Unnotched 0.294 J/cm² - NB1.40 ft-lb/in² - NBAverage value: 13.2 J/cm² Grade Count:144
 2.50 J/cm² - NB
@Temperature -40.0 - -20.0 °C		11.9 ft-lb/in² - NB
@Temperature -40.0 - -4.00 °F		Average value: 14.2 J/cm² Grade Count:89
Charpy Impact, Notched 0.120 - 1000 J/cm²0.571 - 4760 ft-lb/in²Average value: 1.01 J/cm² Grade Count:188
 0.200 - 2.50 J/cm²
@Temperature -40.0 - -20.0 °C		0.952 - 11.9 ft-lb/in²
@Temperature -40.0 - -4.00 °F		Average value: 0.746 J/cm² Grade Count:95
Gardner Impact 0.904 - 40.0 J0.667 - 29.5 ft-lbAverage value: 28.8 J Grade Count:8
Tensile Impact Strength 65.0 - 160 kJ/m²30.9 - 76.1 ft-lb/in²Average value: 112 kJ/m² Grade Count:3
Dart Drop, Total Energy 2.00 - 140 J1.48 - 103 ft-lbAverage value: 21.2 J Grade Count:48
Puncture Energy 15.0 - 16.0 J
@Temperature -30.0 - -30.0 °C		11.1 - 11.8 ft-lb
@Temperature -22.0 - -22.0 °F		Average value: 15.5 J Grade Count:2
Coefficient of Friction 0.130 - 0.6600.130 - 0.660Average value: 0.346 Grade Count:28
Coefficient of Friction, Static 0.130 - 0.7300.130 - 0.730Average value: 0.362 Grade Count:25
Tensile Creep Modulus, 1 hour 1500 - 2400 MPa218000 - 348000 psiAverage value: 2020 MPa Grade Count:6
Tensile Creep Modulus, 1000 hours 950 - 11000 MPa138000 - 1.60e+6 psiAverage value: 2000 MPa Grade Count:12
K (wear) Factor 4.03 - 423 x 10-8 mm³/N-M2.00 - 210 x 10-10 in³-min/ft-lb-hrAverage value: 114 x 10-8 mm³/N-M Grade Count:24
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1000 - 1.20e+17 ohm-cm1000 - 1.20e+17 ohm-cmAverage value: 1.61e+16 ohm-cm Grade Count:176
Surface Resistance 10.0 - 2.00e+17 ohm10.0 - 2.00e+17 ohmAverage value: 5.58e+15 ohm Grade Count:136
Dielectric Constant 2.90 - 4.202.90 - 4.20Average value: 3.39 Grade Count:147
Dielectric Strength 14.0 - 140 kV/mm356 - 3560 kV/inAverage value: 23.7 kV/mm Grade Count:144
Dissipation Factor 0.00100 - 0.03300.00100 - 0.0330Average value: 0.0112 Grade Count:135
Arc Resistance 60.0 - 240 sec60.0 - 240 secAverage value: 132 sec Grade Count:48
Comparative Tracking Index 120 - 600 V120 - 600 VAverage value: 538 V Grade Count:113
Hot Wire Ignition, HWI 7.00 - 120 sec7.00 - 120 secAverage value: 52.5 sec Grade Count:12
High Amp Arc Ignition, HAI 15.0 - 120 arcs15.0 - 120 arcsAverage value: 102 arcs Grade Count:12
High Voltage Arc-Tracking Rate, HVTR 0.000 - 25.4 mm/min0.000 - 1.00 in/minAverage value: 12.3 mm/min Grade Count:7
 
Thermal PropertiesMetricEnglishComments
CTE, linear 12.0 - 170 µm/m-°C6.67 - 94.4 µin/in-°FAverage value: 76.8 µm/m-°C Grade Count:231
 25.2 - 171 µm/m-°C
@Temperature 22.8 - 150 °C		14.0 - 95.0 µin/in-°F
@Temperature 73.0 - 302 °F		Average value: 139 µm/m-°C Grade Count:18
CTE, linear, Transverse to Flow 36.0 - 150 µm/m-°C20.0 - 83.3 µin/in-°FAverage value: 96.8 µm/m-°C Grade Count:160
 90.0 - 170 µm/m-°C
@Temperature 22.8 - 150 °C		50.0 - 94.4 µin/in-°F
@Temperature 73.0 - 302 °F		Average value: 151 µm/m-°C Grade Count:14
Specific Heat Capacity 1.50 - 1.97 J/g-°C0.359 - 0.471 BTU/lb-°FAverage value: 1.66 J/g-°C Grade Count:7
Thermal Conductivity 0.131 - 0.330 W/m-K0.910 - 2.29 BTU-in/hr-ft²-°FAverage value: 0.236 W/m-K Grade Count:13
Melting Point 200 - 271 °C392 - 520 °FAverage value: 224 °C Grade Count:164
Maximum Service Temperature, Air 90.0 - 200 °C194 - 392 °FAverage value: 145 °C Grade Count:15
Hot Ball Pressure Test 125 - 200 °C257 - 392 °FAverage value: 150 °C Grade Count:13
Deflection Temperature at 0.46 MPa (66 psi) 55.0 - 387 °C131 - 728 °FAverage value: 165 °C Grade Count:284
Deflection Temperature at 1.8 MPa (264 psi) 45.0 - 216 °C113 - 421 °FAverage value: 100 °C Grade Count:362
Deflection Temperature at 8.0 MPa 45.0 - 48.0 °C113 - 118 °FAverage value: 45.8 °C Grade Count:4
Vicat Softening Point 65.0 - 221 °C149 - 430 °FAverage value: 189 °C Grade Count:104
Glass Transition Temp, Tg 60.0 °C140 °FAverage value: 60.0 °C Grade Count:15
UL RTI, Electrical 75.0 - 150 °C167 - 302 °FAverage value: 100 °C Grade Count:45
UL RTI, Mechanical with Impact 75.0 - 140 °C167 - 284 °FAverage value: 94.3 °C Grade Count:45
UL RTI, Mechanical without Impact 75.0 - 150 °C167 - 302 °FAverage value: 101 °C Grade Count:45
Flammability, UL94 HB - 5VAHB - 5VAGrade Count:261
Oxygen Index 20.0 - 32.0 %20.0 - 32.0 %Average value: 24.3 % Grade Count:24
Glow Wire Test 650 - 960 °C1200 - 1760 °FAverage value: 819 °C Grade Count:45
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 0.600 - 90.0 %0.600 - 90.0 %Average value: 67.7 % Grade Count:4
 
Processing PropertiesMetricEnglishComments
Processing Temperature 20.0 - 300 °C68.0 - 572 °FAverage value: 192 °C Grade Count:52
Nozzle Temperature 225 - 295 °C437 - 563 °FAverage value: 251 °C Grade Count:104
Adapter Temperature 225 - 275 °C437 - 527 °FAverage value: 247 °C Grade Count:3
Die Temperature 215 - 275 °C419 - 527 °FAverage value: 249 °C Grade Count:4
Melt Temperature 174 - 295 °C345 - 563 °FAverage value: 251 °C Grade Count:223
Mold Temperature 10.0 - 160 °C50.0 - 320 °FAverage value: 78.7 °C Grade Count:242
Drying Temperature 80.0 - 150 °C176 - 302 °FAverage value: 117 °C Grade Count:199
Moisture Content 0.000 - 0.250 %0.000 - 0.250 %Average value: 0.0493 % Grade Count:42
Dew Point -28.9 °C-20.0 °FAverage value: -28.9 °C Grade Count:3
Injection Pressure 3.45 - 120 MPa500 - 17400 psiAverage value: 66.8 MPa Grade Count:37
Vent Depth 0.00127 - 0.00381 cm0.000500 - 0.00150 inAverage value: 0.00233 cm Grade Count:16
Precipitation Temperature 40.0 - 270 °C104 - 518 °FAverage value: 61.3 °C Grade Count:19

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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