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Rulon Bearings

Overview of materials for Polyetherimide (PEI)
Categories: Polymer; Thermoplastic; Polyetherimide (PEI)
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polyetherimide". 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.
Vendors: Ensinger TECAPEI™ shapes combine Ultem® PEI polymer with Ensinger's proprietary extrusion techniques for exceptional reliability, consistency, dimensional stability, and high temperature mechanical performance. FDA, USP Class VI and NSF compliant.

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Physical PropertiesMetricEnglishComments
Density 0.0500 - 1.90 g/cc0.00181 - 0.0686 lb/in³Average value: 1.38 g/cc Grade Count:665
Filler Content 5.00 - 50.0 %5.00 - 50.0 %Average value: 30.2 % Grade Count:67
Water Absorption 0.0150 - 1.30 %0.0150 - 1.30 %Average value: 0.225 % Grade Count:222
Moisture Absorption at Equilibrium 0.000 - 1.30 %0.000 - 1.30 %Average value: 0.198 % Grade Count:370
Water Absorption at Saturation 0.100 - 2.90 %0.100 - 2.90 %Average value: 1.06 % Grade Count:220
Additive Loading 10.0 - 40.0 %10.0 - 40.0 %Average value: 20.2 % Grade Count:32
Particle Size 15.0 µm15.0 µmAverage value: 15.0 µm Grade Count:3
Viscosity  3.00 - 87.0 cP
@Temperature 220 - 360 °C		3.00 - 87.0 cP
@Temperature 428 - 680 °F		Average value: 16.8 cP Grade Count:161
 3.00 - 87.0 cP
@Load 2.16 - 10.0 kg		3.00 - 87.0 cP
@Load 4.76 - 22.0 lb		Average value: 16.8 cP Grade Count:161
Maximum Moisture Content 0.02000.0200Average value: 0.0200 Grade Count:3
Linear Mold Shrinkage 0.000 - 0.0230 cm/cm0.000 - 0.0230 in/inAverage value: 0.00440 cm/cm Grade Count:519
Linear Mold Shrinkage, Transverse 0.00100 - 0.0240 cm/cm0.00100 - 0.0240 in/inAverage value: 0.00535 cm/cm Grade Count:160
Melt Flow 1.80 - 113 g/10 min1.80 - 113 g/10 minAverage value: 13.8 g/10 min Grade Count:271
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 85.0 - 11585.0 - 115Average value: 110 Grade Count:95
Hardness, Rockwell R 100 - 127100 - 127Average value: 119 Grade Count:48
Hardness, Shore D 72.0 - 93.072.0 - 93.0Average value: 84.4 Grade Count:17
Ball Indentation Hardness 125 - 220 MPa18100 - 31900 psiAverage value: 149 MPa Grade Count:90
Tensile Strength, Ultimate 1.00 - 650 MPa145 - 94300 psiAverage value: 134 MPa Grade Count:548
Tensile Strength, Yield 20.0 - 255 MPa2900 - 37000 psiAverage value: 114 MPa Grade Count:305
Elongation at Break 0.500 - 110 %0.500 - 110 %Average value: 21.4 % Grade Count:622
Elongation at Yield 0.700 - 400 %0.700 - 400 %Average value: 8.05 % Grade Count:191
Modulus of Elasticity 0.00280 - 56.0 GPa0.406 - 8120 ksiAverage value: 7.75 GPa Grade Count:574
Flexural Yield Strength 17.9 - 770 MPa2600 - 112000 psiAverage value: 192 MPa Grade Count:624
 85.0 - 214 MPa
@Temperature 80.0 - 200 °C		12300 - 31000 psi
@Temperature 176 - 392 °F		Average value: 151 MPa Grade Count:2
Flexural Modulus 0.380 - 46.0 GPa55.1 - 6670 ksiAverage value: 7.23 GPa Grade Count:632
 7.30 - 17.9 GPa
@Temperature 80.0 - 200 °C		1060 - 2600 ksi
@Temperature 176 - 392 °F		Average value: 12.4 GPa Grade Count:2
Flexural Strain at Break 0.900 - 3.80 %0.900 - 3.80 %Average value: 2.45 % Grade Count:12
 1.00 - 2.60 %
@Temperature 80.0 - 200 °C		1.00 - 2.60 %
@Temperature 176 - 392 °F		Average value: 1.89 % Grade Count:2
Compressive Yield Strength 0.500 - 1130 MPa72.5 - 163000 psiAverage value: 230 MPa Grade Count:60
Compressive Modulus 0.0220 - 52.0 GPa3.19 - 7540 ksiAverage value: 13.0 GPa Grade Count:33
Poissons Ratio 0.300 - 0.4400.300 - 0.440Average value: 0.368 Grade Count:33
Shear Modulus 0.0130 - 4.73 GPa1.89 - 685 ksiAverage value: 2.33 GPa Grade Count:10
Shear Strength 0.600 - 128 MPa87.0 - 18600 psiAverage value: 77.4 MPa Grade Count:21
Izod Impact 16.0 - 3300 J11.8 - 2430 ft-lbAverage value: 452 J Grade Count:275
 20.0 - 120 J
@Temperature -30.0 - -30.0 °C		14.8 - 88.5 ft-lb
@Temperature -22.0 - -22.0 °F		Average value: 54.1 J Grade Count:57
Izod Impact, Notched 0.0298 - 19.2 J/cm0.0558 - 36.0 ft-lb/inAverage value: 1.10 J/cm Grade Count:260
 0.350 - 0.742121 J/cm
@Temperature -30.0 - -30.0 °C		0.656 - 1.39030 ft-lb/in
@Temperature -22.0 - -22.0 °F		Average value: 0.460 J/cm Grade Count:11
Izod Impact, Unnotched 0.120 J/cm - NB0.225 ft-lb/in - NBAverage value: 7.43 J/cm Grade Count:343
 15.0 - 99.99 J/cm
@Temperature -30.0 - -30.0 °C		28.1 - 187.3 ft-lb/in
@Temperature -22.0 - -22.0 °F		Average value: 15.2 J/cm Grade Count:23
Izod Impact, Notched (ISO) 2.00 kJ/m² - NB0.952 ft-lb/in² - NBAverage value: 7.95 kJ/m² Grade Count:202
 2.00 kJ/m² - NB
@Temperature -40.0 - -30.0 °C		0.952 ft-lb/in² - NB
@Temperature -40.0 - -22.0 °F		Average value: 7.89 kJ/m² Grade Count:127
 5.00 - 5.00 kJ/m²
@Temperature -30.0 - -30.0 °C		2.38 - 2.38 ft-lb/in²
@Temperature -22.0 - -22.0 °F		Average value: 7.89 kJ/m² Grade Count:1
 5.00 - 5.00 kJ/m²
@Thickness 4.00 - 4.00 mm		2.38 - 2.38 ft-lb/in²
@Thickness 0.157 - 0.157 in		Average value: 7.89 kJ/m² Grade Count:1
Izod Impact, Unnotched (ISO) 5.00 kJ/m² - NB2.38 ft-lb/in² - NBAverage value: 33.4 kJ/m² Grade Count:175
 13.0 kJ/m² - NB
@Temperature -40.0 - -30.0 °C		6.19 ft-lb/in² - NB
@Temperature -40.0 - -22.0 °F		Average value: 32.2 kJ/m² Grade Count:112
 NB - NB
@Temperature -30.0 - -30.0 °C		NB - NB
@Temperature -22.0 - -22.0 °F		Average value: 32.2 kJ/m² Grade Count:1
 NB - NB
@Thickness 3.00 - 3.00 mm		NB - NB
@Thickness 0.118 - 0.118 in		Average value: 32.2 kJ/m² Grade Count:1
Charpy Impact Unnotched 0.0110 J/cm² - NB0.0524 ft-lb/in² - NBAverage value: 3.54 J/cm² Grade Count:67
 1.40 J/cm² - NB
@Temperature -30.0 - -30.0 °C		6.66 ft-lb/in² - NB
@Temperature -22.0 - -22.0 °F		Average value: 3.44 J/cm² Grade Count:51
Charpy Impact, Notched 0.200 J/cm² - NB0.952 ft-lb/in² - NBAverage value: 0.777 J/cm² Grade Count:154
 0.300 - 1.00 J/cm²
@Temperature -30.0 - -30.0 °C		1.43 - 4.76 ft-lb/in²
@Temperature -22.0 - -22.0 °F		Average value: 0.523 J/cm² Grade Count:57
Gardner Impact 2.26 - 36.0 J1.67 - 26.6 ft-lbAverage value: 29.5 J Grade Count:56
Dart Drop, Total Energy 2.00 - 380 J1.48 - 280 ft-lbAverage value: 27.9 J Grade Count:108
 88.0 - 99.0 J
@Temperature -20.0 - 0.000 °C		64.9 - 73.0 ft-lb
@Temperature -4.00 - 32.0 °F		Average value: 94.8 J Grade Count:6
Falling Dart Impact 4.90 - 21.4 J3.61 - 15.8 ft-lbAverage value: 9.18 J Grade Count:17
Instrumented Impact Total Energy 1.48 - 38.0 J1.09 - 28.0 ft-lbAverage value: 20.1 J Grade Count:19
Coefficient of Friction 0.110 - 0.7700.110 - 0.770Average value: 0.387 Grade Count:40
Coefficient of Friction, Static 0.110 - 0.6300.110 - 0.630Average value: 0.405 Grade Count:31
Tear Strength 37.0 - 147 kN/m211 - 839 pliAverage value: 73.7 kN/m Grade Count:3
K Factor (Wear Factor) 27.0 - 190027.0 - 1900Average value: 605 Grade Count:5
K (wear) Factor 40.3 - 423 x 10-8 mm³/N-M20.0 - 210 x 10-10 in³-min/ft-lb-hrAverage value: 147 x 10-8 mm³/N-M Grade Count:28
Limiting Pressure Velocity 1.90 - 2.10 MPa-m/sec54200 - 60000 psi-ft/minAverage value: 2.00 MPa-m/sec Grade Count:6
Taber Abrasion, mg/1000 Cycles 2.00 - 60.02.00 - 60.0Average value: 16.4 Grade Count:93
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0500 - 1.00e+18 ohm-cm0.0500 - 1.00e+18 ohm-cmAverage value: 2.59e+16 ohm-cm Grade Count:303
Surface Resistance 1.00 - 5.80e+16 ohm1.00 - 5.80e+16 ohmAverage value: 1.38e+15 ohm Grade Count:219
Static Decay 0.0100 - 2.00 sec0.0100 - 2.00 secAverage value: 1.10 sec Grade Count:46
Shielding Effectiveness 50.0 - 97.0 dB50.0 - 97.0 dBAverage value: 78.6 dB Grade Count:3
Dielectric Constant 2.52 - 6.802.52 - 6.80Average value: 3.18 Grade Count:182
Dielectric Strength 4.33 - 244 kV/mm110 - 6200 kV/inAverage value: 25.7 kV/mm Grade Count:181
Dissipation Factor 0.000500 - 0.2660.000500 - 0.266Average value: 0.00357 Grade Count:173
Dielectric Loss Index 0.00100 - 0.001500.00100 - 0.00150Average value: 0.00133 Grade Count:4
Arc Resistance 0.000 - 180 sec0.000 - 180 secAverage value: 118 sec Grade Count:166
Comparative Tracking Index 0.000 - 250 V0.000 - 250 VAverage value: 133 V Grade Count:217
Hot Wire Ignition, HWI 7.00 - 120 sec7.00 - 120 secAverage value: 66.9 sec Grade Count:185
High Amp Arc Ignition, HAI 0.000 - 120 arcs0.000 - 120 arcsAverage value: 21.7 arcs Grade Count:184
High Voltage Arc-Tracking Rate, HVTR 0.000 - 150 mm/min0.000 - 5.91 in/minAverage value: 86.5 mm/min Grade Count:162
 
Thermal PropertiesMetricEnglishComments
CTE, linear 2.70 - 120 µm/m-°C1.50 - 66.7 µin/in-°FAverage value: 36.4 µm/m-°C Grade Count:378
 5.00 - 60.0 µm/m-°C
@Temperature 40.0 - 205 °C		2.78 - 33.3 µin/in-°F
@Temperature 104 - 401 °F		Average value: 34.3 µm/m-°C Grade Count:8
CTE, linear, Transverse to Flow 5.00 - 130 µm/m-°C2.78 - 72.2 µin/in-°FAverage value: 49.3 µm/m-°C Grade Count:262
 62.5 - 62.5 µm/m-°C
@Temperature 40.0 - 120 °C		34.7 - 34.7 µin/in-°F
@Temperature 104 - 248 °F		Average value: 62.5 µm/m-°C Grade Count:1
Specific Heat Capacity 1.10 - 6.28 J/g-°C0.263 - 1.50 BTU/lb-°FAverage value: 3.00 J/g-°C Grade Count:6
Thermal Conductivity 0.0360 - 11.0 W/m-K0.250 - 76.3 BTU-in/hr-ft²-°FAverage value: 0.321 W/m-K Grade Count:176
Melting Point 171 - 254 °C340 - 490 °FAverage value: 222 °C Grade Count:10
Maximum Service Temperature, Air 70.0 - 300 °C158 - 572 °FAverage value: 181 °C Grade Count:51
Hot Ball Pressure Test 75.0 - 125 °C167 - 257 °FAverage value: 125 °C Grade Count:105
Transformation Temperature, Tg 168 - 200 °C334 - 392 °FAverage value: 192 °C Grade Count:5
Deflection Temperature at 0.46 MPa (66 psi) 116 - 237 °C240 - 459 °FAverage value: 208 °C Grade Count:310
Deflection Temperature at 1.8 MPa (264 psi) 47.2 - 393 °C117 - 739 °FAverage value: 200 °C Grade Count:587
Vicat Softening Point 75.0 - 242 °C167 - 468 °FAverage value: 214 °C Grade Count:242
Minimum Service Temperature, Air -50.0 - 0.000 °C-58.0 - 32.0 °FAverage value: -30.0 °C Grade Count:11
Glass Transition Temp, Tg 180 - 220 °C356 - 428 °FAverage value: 212 °C Grade Count:50
UL RTI, Electrical 105 - 180 °C221 - 356 °FAverage value: 145 °C Grade Count:225
UL RTI, Mechanical with Impact 105 - 180 °C221 - 356 °FAverage value: 143 °C Grade Count:228
UL RTI, Mechanical without Impact 105 - 180 °C221 - 356 °FAverage value: 145 °C Grade Count:228
Flammability, UL94 HB - 5VAHB - 5VAGrade Count:375
Smoke Density 0.000 - 10.00.000 - 10.0Average value: 2.63 Grade Count:56
Oxygen Index 44.0 - 54.0 %44.0 - 54.0 %Average value: 47.3 % Grade Count:127
Glow Wire Test 825 - 960 °C1520 - 1760 °FAverage value: 930 °C Grade Count:73
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 58.0 - 90.0 %58.0 - 90.0 %Average value: 84.3 % Grade Count:6
 
Processing PropertiesMetricEnglishComments
Processing Temperature 60.0 - 410 °C140 - 770 °FAverage value: 295 °C Grade Count:69
Nozzle Temperature 173 - 421 °C343 - 790 °FAverage value: 374 °C Grade Count:356
Adapter Temperature 270 - 335 °C518 - 635 °FAverage value: 303 °C Grade Count:7
Die Temperature 260 - 360 °C500 - 680 °FAverage value: 327 °C Grade Count:26
Melt Temperature 107 - 427 °C225 - 801 °FAverage value: 312 °C Grade Count:483
Head Temperature 290 - 360 °C554 - 680 °FAverage value: 341 °C Grade Count:19
Mold Temperature 37.8 - 399 °C100 - 750 °FAverage value: 151 °C Grade Count:510
Drying Temperature 60.0 - 152 °C140 - 305 °FAverage value: 146 °C Grade Count:491
Moisture Content 0.0200 - 0.0400 %0.0200 - 0.0400 %Average value: 0.0332 % Grade Count:110
Dew Point -28.9 °C-20.0 °FAverage value: -28.9 °C Grade Count:70
Injection Pressure 82.7 - 124 MPa12000 - 18000 psiAverage value: 103 MPa Grade Count:111
Vent Depth 0.00250 - 0.00760 cm0.000984 - 0.00299 inAverage value: 0.00500 cm Grade Count:275
Precipitation Temperature 60.0 - 120 °C140 - 248 °FAverage value: 95.6 °C Grade Count:65

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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