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Elmet Technologies

Overview of materials for Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled". Specific grades with glass content between 25% and 34% 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 PropertiesMetricEnglishComments
Density 1.06 - 1.97 g/cc0.0383 - 0.0712 lb/in³Average value: 1.55 g/cc Grade Count:470
 1.29 - 1.36 g/cc
@Temperature 223 - 250 °C		0.0466 - 0.0491 lb/in³
@Temperature 433 - 482 °F		Average value: 1.32 g/cc Grade Count:5
Filler Content 25.0 - 30.0 %25.0 - 30.0 %Average value: 29.7 % Grade Count:100
Water Absorption 0.0300 - 0.500 %0.0300 - 0.500 %Average value: 0.177 % Grade Count:163
Moisture Absorption at Equilibrium 0.0200 - 0.400 %0.0200 - 0.400 %Average value: 0.136 % Grade Count:151
Water Absorption at Saturation 0.0600 - 0.700 %0.0600 - 0.700 %Average value: 0.364 % Grade Count:53
Additive Loading 30.0 %30.0 %Average value: 30.0 % Grade Count:4
Viscosity 110000 - 210000 cP110000 - 210000 cPAverage value: 170000 cP Grade Count:3
 16.0 - 18.0 cP
@Temperature 250 - 265 °C		16.0 - 18.0 cP
@Temperature 482 - 509 °F		Average value: 27200 cP Grade Count:3
 16.0 - 18.0 cP
@Load 5.00 - 5.00 kg		16.0 - 18.0 cP
@Load 11.0 - 11.0 lb		Average value: 27200 cP Grade Count:3
 12.0 - 230000 cP
@Shear Rate 10.0 - 100000 1/s		12.0 - 230000 cP
@Shear Rate 10.0 - 100000 1/s		Average value: 27200 cP Grade Count:4
 12.0 - 230000 cP
@Temperature 230 - 280 °C		12.0 - 230000 cP
@Temperature 446 - 536 °F		Average value: 27200 cP Grade Count:4
Viscosity Test 68.0 - 108 cm³/g0.680 - 1.08 dl/gAverage value: 91.5 cm³/g Grade Count:27
Viscosity Number 87.0 - 114 cm³/g0.870 - 1.14 dl/gAverage value: 99.3 cm³/g Grade Count:21
Maximum Moisture Content 0.0200 - 0.04000.0200 - 0.0400Average value: 0.0207 Grade Count:29
Linear Mold Shrinkage 0.000 - 0.0600 cm/cm0.000 - 0.0600 in/inAverage value: 0.00461 cm/cm Grade Count:351
 0.00300 - 0.00300 cm/cm
@Temperature 80.0 - 80.0 °C		0.00300 - 0.00300 in/in
@Temperature 176 - 176 °F		Average value: 0.00317 cm/cm Grade Count:2
 0.00300 - 0.00350 cm/cm
@Temperature 260 - 260 °C		0.00300 - 0.00350 in/in
@Temperature 500 - 500 °F		Average value: 0.00317 cm/cm Grade Count:2
 0.00300 - 0.00350 cm/cm
@Pressure 60.0 - 60.0 MPa		0.00300 - 0.00350 in/in
@Pressure 8700 - 8700 psi		Average value: 0.00317 cm/cm Grade Count:2
Linear Mold Shrinkage, Transverse 0.00100 - 0.0210 cm/cm0.00100 - 0.0210 in/inAverage value: 0.00976 cm/cm Grade Count:189
 0.0110 - 0.0110 cm/cm
@Temperature 80.0 - 80.0 °C		0.0110 - 0.0110 in/in
@Temperature 176 - 176 °F		Average value: 0.00967 cm/cm Grade Count:2
 0.00700 - 0.0110 cm/cm
@Temperature 260 - 260 °C		0.00700 - 0.0110 in/in
@Temperature 500 - 500 °F		Average value: 0.00967 cm/cm Grade Count:2
 0.00700 - 0.0110 cm/cm
@Pressure 60.0 - 60.0 MPa		0.00700 - 0.0110 in/in
@Pressure 8700 - 8700 psi		Average value: 0.00967 cm/cm Grade Count:2
Melt Flow 1.00 - 63.0 g/10 min1.00 - 63.0 g/10 minAverage value: 17.0 g/10 min Grade Count:152
Spiral Flow 28.0 - 35.0 cm11.0 - 13.8 inAverage value: 32.0 cm Grade Count:3
Ash 28.0 - 34.0 %28.0 - 34.0 %Average value: 30.2 % Grade Count:10
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 55.0 - 11255.0 - 112Average value: 88.9 Grade Count:58
Hardness, Rockwell R 90.0 - 12490.0 - 124Average value: 116 Grade Count:33
Hardness, Shore D 79.0 - 85.079.0 - 85.0Average value: 81.9 Grade Count:9
Ball Indentation Hardness 105 - 230 MPa15200 - 33400 psiAverage value: 186 MPa Grade Count:23
Tensile Strength, Ultimate 44.0 - 186 MPa6380 - 27000 psiAverage value: 125 MPa Grade Count:387
 15.0 - 195 MPa
@Temperature -40.0 - 150 °C		2180 - 28300 psi
@Temperature -40.0 - 302 °F		Average value: 95.7 MPa Grade Count:11
Tensile Strength, Yield 82.7 - 155 MPa12000 - 22500 psiAverage value: 118 MPa Grade Count:102
Elongation at Break 1.00 - 130 %1.00 - 130 %Average value: 3.74 % Grade Count:410
 1.90 - 6.30 %
@Temperature 0.000 - 150 °C		1.90 - 6.30 %
@Temperature 32.0 - 302 °F		Average value: 3.43 % Grade Count:9
Elongation at Yield 2.00 - 5.00 %2.00 - 5.00 %Average value: 2.75 % Grade Count:14
Modulus of Elasticity 4.00 - 15.0 GPa580 - 2180 ksiAverage value: 9.54 GPa Grade Count:262
 1.80 - 11.0316 GPa
@Temperature -40.0 - 150 °C		261 - 1600.02 ksi
@Temperature -40.0 - 302 °F		Average value: 6.04 GPa Grade Count:9
Flexural Yield Strength 80.0 - 270 MPa11600 - 39200 psiAverage value: 187 MPa Grade Count:353
 115 - 120 MPa
@Temperature 90.0 - 90.0 °C		16700 - 17400 psi
@Temperature 194 - 194 °F		Average value: 118 MPa Grade Count:2
Flexural Modulus 3.83 - 19.3 GPa555 - 2800 ksiAverage value: 8.49 GPa Grade Count:351
 4.80 - 5.50 GPa
@Temperature 90.0 - 90.0 °C		696 - 798 ksi
@Temperature 194 - 194 °F		Average value: 5.15 GPa Grade Count:2
Flexural Strain at Break 2.00 - 3.50 %2.00 - 3.50 %Average value: 2.63 % Grade Count:6
Flexural Strain at Yield 3.20 - 3.80 %3.20 - 3.80 %Average value: 3.42 % Grade Count:4
Compressive Yield Strength 117 - 124 MPa17000 - 18000 psiAverage value: 122 MPa Grade Count:6
Poissons Ratio 0.330 - 0.3400.330 - 0.340Average value: 0.339 Grade Count:14
Izod Impact 70.0 - 72.0 J51.6 - 53.1 ft-lbAverage value: 70.7 J Grade Count:3
 65.0 - 72.0 J
@Temperature -30.0 - 0.000 °C		47.9 - 53.1 ft-lb
@Temperature -22.0 - 32.0 °F		Average value: 67.8 J Grade Count:3
Izod Impact, Notched 0.150 - 2.19 J/cm0.281 - 4.10 ft-lb/inAverage value: 0.888 J/cm Grade Count:173
 0.96102 - 0.96102 J/cm
@Temperature -28.9 - -28.9 °C		1.8004 - 1.8004 ft-lb/in
@Temperature -20.0 - -20.0 °F		Average value: 0.961 J/cm Grade Count:1
Izod Impact, Unnotched 1.08 - 11.8 J/cm2.02 - 22.0 ft-lb/inAverage value: 6.90 J/cm Grade Count:28
 5.00 - 5.25 J/cm
@Temperature -30.0 - -30.0 °C		9.37 - 9.84 ft-lb/in
@Temperature -22.0 - -22.0 °F		Average value: 5.17 J/cm Grade Count:3
Izod Impact, Notched (ISO) 4.00 - 70.0 kJ/m²1.90 - 33.3 ft-lb/in²Average value: 12.0 kJ/m² Grade Count:111
 6.00 - 32.0 kJ/m²
@Temperature -40.0 - 30.0 °C		2.86 - 15.2 ft-lb/in²
@Temperature -40.0 - 86.0 °F		Average value: 9.44 kJ/m² Grade Count:33
Izod Impact, Unnotched (ISO) 35.0 - 70.0 kJ/m²16.7 - 33.3 ft-lb/in²Average value: 55.1 kJ/m² Grade Count:45
 30.0 - 60.0 kJ/m²
@Temperature -40.0 - -30.0 °C		14.3 - 28.6 ft-lb/in²
@Temperature -40.0 - -22.0 °F		Average value: 50.1 kJ/m² Grade Count:16
Charpy Impact Unnotched 0.850 - 50.0 J/cm²4.05 - 238 ft-lb/in²Average value: 5.59 J/cm² Grade Count:192
 0.700 - 8.00 J/cm²
@Temperature -40.0 - -20.0 °C		3.33 - 38.1 ft-lb/in²
@Temperature -40.0 - -4.00 °F		Average value: 5.18 J/cm² Grade Count:108
Charpy Impact, Notched 0.210 - 7.50 J/cm²0.999 - 35.7 ft-lb/in²Average value: 0.981 J/cm² Grade Count:264
 0.300 - 1.60 J/cm²
@Temperature -40.0 - -20.0 °C		1.43 - 7.61 ft-lb/in²
@Temperature -40.0 - -4.00 °F		Average value: 0.898 J/cm² Grade Count:109
Dart Drop, Total Energy 5.00 - 6.00 J3.69 - 4.43 ft-lbAverage value: 5.40 J Grade Count:5
Puncture Energy 1.90 - 2.30 J1.40 - 1.70 ft-lbAverage value: 2.22 J Grade Count:5
 1.70 - 2.50 J
@Temperature -30.0 - -30.0 °C		1.25 - 1.84 ft-lb
@Temperature -22.0 - -22.0 °F		Average value: 2.23 J Grade Count:3
Coefficient of Friction 0.150 - 0.2400.150 - 0.240Average value: 0.178 Grade Count:9
Tensile Creep Modulus, 1 hour 3600 - 11000 MPa522000 - 1.60e+6 psiAverage value: 9340 MPa Grade Count:9
Tensile Creep Modulus, 1000 hours 2500 - 10000 MPa363000 - 1.45e+6 psiAverage value: 7430 MPa Grade Count:14
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+8 - 2.00e+17 ohm-cm1.00e+8 - 2.00e+17 ohm-cmAverage value: 1.85e+16 ohm-cm Grade Count:252
Surface Resistance 3.00 - 2.00e+17 ohm3.00 - 2.00e+17 ohmAverage value: 1.24e+16 ohm Grade Count:163
Dielectric Constant 2.50 - 5.102.50 - 5.10Average value: 3.81 Grade Count:176
Dielectric Strength 14.0 - 100 kV/mm356 - 2540 kV/inAverage value: 26.3 kV/mm Grade Count:229
Dissipation Factor 0.000750 - 0.1400.000750 - 0.140Average value: 0.0146 Grade Count:139
Dielectric Loss Index 0.00200 - 0.02000.00200 - 0.0200Average value: 0.0181 Grade Count:15
Arc Resistance 60.0 - 200 sec60.0 - 200 secAverage value: 116 sec Grade Count:48
Comparative Tracking Index 2.00 - 600 V2.00 - 600 VAverage value: 374 V Grade Count:191
Hot Wire Ignition, HWI 7.00 - 120 sec7.00 - 120 secAverage value: 56.8 sec Grade Count:18
High Amp Arc Ignition, HAI 30.0 - 120 arcs30.0 - 120 arcsAverage value: 97.5 arcs Grade Count:17
High Voltage Arc-Tracking Rate, HVTR 0.000 - 150 mm/min0.000 - 5.91 in/minAverage value: 81.2 mm/min Grade Count:11
 
Thermal PropertiesMetricEnglishComments
CTE, linear 10.0 - 120 µm/m-°C5.56 - 66.7 µin/in-°FAverage value: 27.3 µm/m-°C Grade Count:186
 10.0 - 30.0 µm/m-°C
@Temperature 50.0 - 160 °C		5.56 - 16.7 µin/in-°F
@Temperature 122 - 320 °F		Average value: 18.7 µm/m-°C Grade Count:24
CTE, linear, Transverse to Flow 1.13 - 190 µm/m-°C0.628 - 106 µin/in-°FAverage value: 90.6 µm/m-°C Grade Count:125
 110 - 160 µm/m-°C
@Temperature 50.0 - 160 °C		61.1 - 88.9 µin/in-°F
@Temperature 122 - 320 °F		Average value: 132 µm/m-°C Grade Count:19
Specific Heat Capacity 1.40 - 1.73 J/g-°C0.335 - 0.413 BTU/lb-°FAverage value: 1.58 J/g-°C Grade Count:7
 1.73 - 1.73 J/g-°C
@Temperature 223 - 250 °C		0.413 - 0.413 BTU/lb-°F
@Temperature 433 - 482 °F		Average value: 1.73 J/g-°C Grade Count:4
Thermal Conductivity 0.166 - 0.370 W/m-K1.15 - 2.57 BTU-in/hr-ft²-°FAverage value: 0.239 W/m-K Grade Count:14
 0.280 - 0.280 W/m-K
@Temperature 223 - 250 °C		1.94 - 1.94 BTU-in/hr-ft²-°F
@Temperature 433 - 482 °F		Average value: 0.280 W/m-K Grade Count:4
Melting Point 200 - 260 °C392 - 500 °FAverage value: 224 °C Grade Count:233
Maximum Service Temperature, Air 75.0 - 350 °C167 - 662 °FAverage value: 164 °C Grade Count:41
Hot Ball Pressure Test 125 - 220 °C257 - 428 °FAverage value: 184 °C Grade Count:11
Deflection Temperature at 0.46 MPa (66 psi) 160 - 234 °C320 - 453 °FAverage value: 217 °C Grade Count:321
Deflection Temperature at 1.8 MPa (264 psi) 70.0 - 224 °C158 - 435 °FAverage value: 202 °C Grade Count:437
Deflection Temperature at 8.0 MPa 70.0 - 165 °C158 - 329 °FAverage value: 143 °C Grade Count:20
Vicat Softening Point 150 - 225 °C302 - 437 °FAverage value: 210 °C Grade Count:99
Glass Transition Temp, Tg 19.0 - 65.0 °C66.2 - 149 °FAverage value: 55.7 °C Grade Count:34
Decomposition Temperature 290 - 300 °C554 - 572 °FAverage value: 292 °C Grade Count:5
UL RTI, Electrical 60.0 - 140 °C140 - 284 °FAverage value: 123 °C Grade Count:27
UL RTI, Mechanical with Impact 60.0 - 150 °C140 - 302 °FAverage value: 120 °C Grade Count:26
UL RTI, Mechanical without Impact 60.0 - 140 °C140 - 284 °FAverage value: 122 °C Grade Count:26
Flammability, UL94 HB - 5VAHB - 5VAGrade Count:399
Flame Spread 0.000 - 100 mm/min0.000 - 3.94 in/minAverage value: 46.0 mm/min Grade Count:15
Oxygen Index 19.0 - 43.0 %19.0 - 43.0 %Average value: 25.5 % Grade Count:44
Glow Wire Test 650 - 960 °C1200 - 1760 °FAverage value: 834 °C Grade Count:75
Ignition Temperature 350 - 400 °C662 - 752 °FAverage value: 360 °C Grade Count:5
 
Processing PropertiesMetricEnglishComments
Processing Temperature 20.0 - 280 °C68.0 - 536 °FAverage value: 176 °C Grade Count:79
Nozzle Temperature 225 - 280 °C437 - 536 °FAverage value: 253 °C Grade Count:79
Die Temperature 240 - 275 °C464 - 527 °FAverage value: 255 °C Grade Count:33
Melt Temperature 206 - 338 °C403 - 640 °FAverage value: 250 °C Grade Count:237
Mold Temperature 26.7 - 150 °C80.0 - 302 °FAverage value: 80.4 °C Grade Count:250
Injection Velocity 200 - 300 mm/sec7.87 - 11.8 in/secAverage value: 288 mm/sec Grade Count:24
Drying Temperature 60.0 - 140 °C140 - 284 °FAverage value: 119 °C Grade Count:203
Moisture Content 0.000 - 0.200 %0.000 - 0.200 %Average value: 0.0364 % Grade Count:119
Dew Point -40.0 - -28.9 °C-40.0 - -20.0 °FAverage value: -29.7 °C Grade Count:14
Injection Pressure 3.45 - 124 MPa500 - 18000 psiAverage value: 68.7 MPa Grade Count:65
Vent Depth 0.00127 - 0.00381 cm0.000500 - 0.00150 inAverage value: 0.00167 cm Grade Count:11
Hot-Working Temperature 250 - 260 °C482 - 500 °FAverage value: 255 °C Grade Count:6
Precipitation Temperature 40.0 - 60.0 °C104 - 140 °FAverage 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 view all the property values for this datasheet as they were originally entered into MatWeb.

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O3213 / 78173

Ensinger PEI




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