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Elmet Technologies

Overview of materials for Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant". 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 1.27 - 1.76 g/cc0.0459 - 0.0636 lb/in³Average value: 1.57 g/cc Grade Count:232
 1.31 - 1.49 g/cc
@Temperature 223 - 250 °C		0.0473 - 0.0538 lb/in³
@Temperature 433 - 482 °F		Average value: 1.41 g/cc Grade Count:6
Filler Content 5.00 - 32.0 %5.00 - 32.0 %Average value: 22.7 % Grade Count:73
Water Absorption 0.000 - 4.00 %0.000 - 4.00 %Average value: 0.194 % Grade Count:108
Moisture Absorption at Equilibrium 0.0500 - 0.500 %0.0500 - 0.500 %Average value: 0.199 % Grade Count:59
Water Absorption at Saturation 0.150 - 0.500 %0.150 - 0.500 %Average value: 0.332 % Grade Count:15
Viscosity  150 - 3.50e+6 cP
@Temperature 230 - 270 °C		150 - 3.50e+6 cP
@Temperature 446 - 518 °F		Average value: 934000 cP Grade Count:2
 150 - 3.50e+6 cP
@Shear Rate 1.00 - 100000 1/s		150 - 3.50e+6 cP
@Shear Rate 1.00 - 100000 1/s		Average value: 934000 cP Grade Count:2
Viscosity Number 62.0 - 112 cm³/g0.620 - 1.12 dl/gAverage value: 96.0 cm³/g Grade Count:10
Maximum Moisture Content 0.02000.0200Average value: 0.0200 Grade Count:8
Linear Mold Shrinkage 0.000500 - 0.0200 cm/cm0.000500 - 0.0200 in/inAverage value: 0.00571 cm/cm Grade Count:159
 0.00300 - 0.00400 cm/cm
@Temperature 260 - 260 °C		0.00300 - 0.00400 in/in
@Temperature 500 - 500 °F		Average value: 0.00333 cm/cm Grade Count:3
 0.00300 - 0.00400 cm/cm
@Pressure 60.0 - 60.0 MPa		0.00300 - 0.00400 in/in
@Pressure 8700 - 8700 psi		Average value: 0.00333 cm/cm Grade Count:3
Linear Mold Shrinkage, Transverse 0.00100 - 0.0180 cm/cm0.00100 - 0.0180 in/inAverage value: 0.0102 cm/cm Grade Count:57
 0.0110 - 0.0130 cm/cm
@Temperature 260 - 260 °C		0.0110 - 0.0130 in/in
@Temperature 500 - 500 °F		Average value: 0.0120 cm/cm Grade Count:3
 0.0110 - 0.0130 cm/cm
@Pressure 60.0 - 60.0 MPa		0.0110 - 0.0130 in/in
@Pressure 8700 - 8700 psi		Average value: 0.0120 cm/cm Grade Count:3
Melt Flow 1.00 - 75.0 g/10 min1.00 - 75.0 g/10 minAverage value: 17.0 g/10 min Grade Count:77
Ash 0.0350 - 30.0 %0.0350 - 30.0 %Average value: 7.53 % Grade Count:8
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 70.0 - 10070.0 - 100Average value: 92.8 Grade Count:17
Hardness, Rockwell R 90.0 - 12090.0 - 120Average value: 116 Grade Count:28
Ball Indentation Hardness 160 - 235 MPa23200 - 34100 psiAverage value: 199 MPa Grade Count:4
Tensile Strength, Ultimate 15.0 - 154 MPa2180 - 22300 psiAverage value: 108 MPa Grade Count:195
Tensile Strength, Yield 68.0 - 150 MPa9860 - 21800 psiAverage value: 106 MPa Grade Count:44
Elongation at Break 0.900 - 50.0 %0.900 - 50.0 %Average value: 3.34 % Grade Count:201
Elongation at Yield 2.50 - 9.00 %2.50 - 9.00 %Average value: 4.33 % Grade Count:6
Modulus of Elasticity 0.765 - 21.2 GPa111 - 3070 ksiAverage value: 8.54 GPa Grade Count:104
Flexural Yield Strength 70.3 - 230 MPa10200 - 33400 psiAverage value: 162 MPa Grade Count:163
Flexural Modulus 1.86 - 11.3 GPa270 - 1640 ksiAverage value: 7.01 GPa Grade Count:165
Flexural Strain at Break 3.00 - 3.50 %3.00 - 3.50 %Average value: 3.23 % Grade Count:3
Flexural Strain at Yield 2.20 - 4.90 %2.20 - 4.90 %Average value: 3.02 % Grade Count:15
Poissons Ratio 0.330 - 0.3500.330 - 0.350Average value: 0.341 Grade Count:14
Izod Impact, Notched 0.267 - 4.27 J/cm0.500 - 8.00 ft-lb/inAverage value: 0.709 J/cm Grade Count:100
 0.300 - 0.450 J/cm
@Temperature -20.0 - -20.0 °C		0.562 - 0.843 ft-lb/in
@Temperature -4.00 - -4.00 °F		Average value: 0.375 J/cm Grade Count:2
Izod Impact, Unnotched 0.490 - 9.61 J/cm0.919 - 18.0 ft-lb/inAverage value: 5.18 J/cm Grade Count:13
Izod Impact, Notched (ISO) 3.00 - 10.0 kJ/m²1.43 - 4.76 ft-lb/in²Average value: 8.64 kJ/m² Grade Count:32
 7.00 - 10.0 kJ/m²
@Temperature -30.0 - -30.0 °C		3.33 - 4.76 ft-lb/in²
@Temperature -22.0 - -22.0 °F		Average value: 9.67 kJ/m² Grade Count:15
Izod Impact, Unnotched (ISO) 20.0 - 55.0 kJ/m²9.52 - 26.2 ft-lb/in²Average value: 41.7 kJ/m² Grade Count:18
 20.0 - 55.0 kJ/m²
@Temperature -30.0 - -30.0 °C		9.52 - 26.2 ft-lb/in²
@Temperature -22.0 - -22.0 °F		Average value: 39.8 kJ/m² Grade Count:16
Charpy Impact Unnotched 2.30 - 8.00 J/cm²10.9 - 38.1 ft-lb/in²Average value: 4.39 J/cm² Grade Count:86
 1.20 - 7.50 J/cm²
@Temperature -40.0 - -20.0 °C		5.71 - 35.7 ft-lb/in²
@Temperature -40.0 - -4.00 °F		Average value: 4.18 J/cm² Grade Count:48
Charpy Impact, Notched 0.230 - 2.00 J/cm²1.09 - 9.52 ft-lb/in²Average value: 0.761 J/cm² Grade Count:124
 0.180 J/cm² - NB
@Temperature -40.0 - -20.0 °C		0.857 ft-lb/in² - NB
@Temperature -40.0 - -4.00 °F		Average value: 0.731 J/cm² Grade Count:51
Tensile Impact Strength 8.00 - 55.0 kJ/m²3.81 - 26.2 ft-lb/in²Average value: 37.7 kJ/m² Grade Count:3
Tensile Creep Modulus, 1 hour 5000 - 11000 MPa725000 - 1.60e+6 psiAverage value: 7580 MPa Grade Count:4
Tensile Creep Modulus, 1000 hours 3000 - 8000 MPa435000 - 1.16e+6 psiAverage value: 5780 MPa Grade Count:4
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1000 - 1.00e+18 ohm-cm1000 - 1.00e+18 ohm-cmAverage value: 2.08e+16 ohm-cm Grade Count:120
Surface Resistance 1000 - 1.00e+17 ohm1000 - 1.00e+17 ohmAverage value: 9.11e+15 ohm Grade Count:52
Dielectric Constant 3.00 - 4.503.00 - 4.50Average value: 3.55 Grade Count:65
Dielectric Strength 16.0 - 44.0 kV/mm406 - 1120 kV/inAverage value: 25.3 kV/mm Grade Count:84
Dissipation Factor 0.00100 - 0.02200.00100 - 0.0220Average value: 0.0110 Grade Count:45
Arc Resistance 60.0 - 120 sec60.0 - 120 secAverage value: 104 sec Grade Count:14
Comparative Tracking Index 125 - 600 V125 - 600 VAverage value: 291 V Grade Count:83
Hot Wire Ignition, HWI 7.00 - 120 sec7.00 - 120 secAverage value: 70.9 sec Grade Count:6
High Amp Arc Ignition, HAI 30.0 - 120 arcs30.0 - 120 arcsAverage value: 113 arcs Grade Count:5
 
Thermal PropertiesMetricEnglishComments
CTE, linear 20.0 - 67.0 µm/m-°C11.1 - 37.2 µin/in-°FAverage value: 35.3 µm/m-°C Grade Count:96
 16.0 - 20.0 µm/m-°C
@Temperature 55.0 - 160 °C		8.89 - 11.1 µin/in-°F
@Temperature 131 - 320 °F		Average value: 19.0 µm/m-°C Grade Count:4
CTE, linear, Transverse to Flow 50.0 - 120 µm/m-°C27.8 - 66.7 µin/in-°FAverage value: 81.8 µm/m-°C Grade Count:52
 140 - 140 µm/m-°C
@Temperature 55.0 - 160 °C		77.8 - 77.8 µin/in-°F
@Temperature 131 - 320 °F		Average value: 140 µm/m-°C Grade Count:1
Specific Heat Capacity 1.60 - 1.60 J/g-°C
@Temperature 250 - 250 °C		0.382 - 0.382 BTU/lb-°F
@Temperature 482 - 482 °F		Average value: 1.60 J/g-°C Grade Count:1
Thermal Conductivity 0.173 - 0.202 W/m-K1.20 - 1.40 BTU-in/hr-ft²-°FAverage value: 0.180 W/m-K Grade Count:4
 0.260 - 0.260 W/m-K
@Temperature 250 - 250 °C		1.80 - 1.80 BTU-in/hr-ft²-°F
@Temperature 482 - 482 °F		Average value: 0.260 W/m-K Grade Count:1
Melting Point 200 - 250 °C392 - 482 °FAverage value: 224 °C Grade Count:93
Maximum Service Temperature, Air 90.0 - 215 °C194 - 419 °FAverage value: 133 °C Grade Count:5
Hot Ball Pressure Test 165 - 220 °C329 - 428 °FAverage value: 206 °C Grade Count:8
Deflection Temperature at 0.46 MPa (66 psi) 138 - 225 °C280 - 437 °FAverage value: 212 °C Grade Count:135
Deflection Temperature at 1.8 MPa (264 psi) 70.0 - 250 °C158 - 482 °FAverage value: 199 °C Grade Count:202
Deflection Temperature at 8.0 MPa 65.0 - 165 °C149 - 329 °FAverage value: 123 °C Grade Count:3
Vicat Softening Point 165 - 225 °C329 - 437 °FAverage value: 207 °C Grade Count:43
Glass Transition Temp, Tg 55.0 °C131 °FAverage value: 55.0 °C Grade Count:12
UL RTI, Electrical 75.0 - 140 °C167 - 284 °FAverage value: 117 °C Grade Count:11
UL RTI, Mechanical with Impact 75.0 - 140 °C167 - 284 °FAverage value: 117 °C Grade Count:11
UL RTI, Mechanical without Impact 75.0 - 140 °C167 - 284 °FAverage value: 112 °C Grade Count:11
Flammability, UL94 HB - 5VAHB - 5VAGrade Count:219
Oxygen Index 28.0 - 40.0 %28.0 - 40.0 %Average value: 33.1 % Grade Count:11
Glow Wire Test 675 - 960 °C1250 - 1760 °FAverage value: 891 °C Grade Count:63
 
Processing PropertiesMetricEnglishComments
Processing Temperature 204 - 270 °C400 - 518 °FAverage value: 251 °C Grade Count:26
Nozzle Temperature 225 - 270 °C437 - 518 °FAverage value: 250 °C Grade Count:25
Melt Temperature 220 - 280 °C428 - 536 °FAverage value: 249 °C Grade Count:95
Mold Temperature 30.0 - 130 °C86.0 - 266 °FAverage value: 78.9 °C Grade Count:108
Drying Temperature 80.0 - 140 °C176 - 284 °FAverage value: 117 °C Grade Count:82
Moisture Content 0.000 - 0.300 %0.000 - 0.300 %Average value: 0.0586 % Grade Count:38
Dew Point -40.0 - -28.9 °C-40.0 - -20.0 °FAverage value: -37.2 °C Grade Count:4
Injection Pressure 4.96 - 120 MPa720 - 17400 psiAverage value: 81.2 MPa Grade Count:25
Vent Depth 0.00127 - 0.00381 cm0.000500 - 0.00150 inAverage value: 0.00196 cm Grade Count:11

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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O3210 / 78170

Ensinger PEI




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