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Rulon Bearings

Overview of materials for Thermoset Polyurethane Foam, Unreinforced
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane Foam, Unreinforced
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Thermoset Polyurethane Foam, 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 0.00800 - 1.39 g/cc0.000289 - 0.0504 lb/in³Average value: 0.417 g/cc Grade Count:356
 0.159559 - 0.161321 g/cc
@Temperature 121 - 177 °C		0.00576444 - 0.00582811 lb/in³
@Temperature 250 - 350 °F		Average value: 0.160 g/cc Grade Count:1
Water Absorption 0.0100 - 72.0 %0.0100 - 72.0 %Average value: 5.98 % Grade Count:122
Moisture Absorption at Equilibrium 2.00 %2.00 %Average value: 2.00 % Grade Count:16
Water Absorption at Saturation 0.300 - 20.0 %0.300 - 20.0 %Average value: 9.08 % Grade Count:13
Viscosity 23.0 - 27500 cP23.0 - 27500 cPAverage value: 1220 cP Grade Count:75
 310 - 17000 cP
@Temperature 15.6 - 48.9 °C		310 - 17000 cP
@Temperature 60.0 - 120 °F		Average value: 3960 cP Grade Count:3
Thickness 27.9 - 12700 microns1.10 - 500 milAverage value: 2230 microns Grade Count:26
Linear Mold Shrinkage 0.000800 - 0.0110 cm/cm0.000800 - 0.0110 in/inAverage value: 0.00749 cm/cm Grade Count:13
Outgassing - Total Mass Loss  0.300 - 1.73 %
@Temperature 125 - 125 °C		0.300 - 1.73 %
@Temperature 257 - 257 °F		Average value: 0.844 % Grade Count:14
 0.300 - 1.73 %
@Time 86400 - 86400 sec		0.300 - 1.73 %
@Time 24.0 - 24.0 hour		Average value: 0.844 % Grade Count:14
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 3.00 - 60.03.00 - 60.0Average value: 26.1 Grade Count:37
Hardness, Shore D 3.50 - 95.03.50 - 95.0Average value: 44.4 Grade Count:99
Hardness, Shore O 2.00 - 65.02.00 - 65.0Average value: 28.4 Grade Count:36
Hardness, Shore OO 10.0 - 45.010.0 - 45.0Average value: 30.8 Grade Count:4
Tensile Strength, Ultimate 0.0207 - 1900 MPa3.00 - 276000 psiAverage value: 18.5 MPa Grade Count:261
 0.799792 - 1.24795 MPa
@Temperature 121 - 177 °C		116.000 - 181.000 psi
@Temperature 250 - 350 °F		Average value: 1.02 MPa Grade Count:1
Tensile Strength, Yield 0.0814 - 103 MPa11.8 - 15000 psiAverage value: 43.9 MPa Grade Count:36
Film Elongation at Break, MD 78.0 %78.0 %Average value: 78.0 % Grade Count:6
 74.0 - 74.0 %
@Temperature 66.0 - 66.0 °C		74.0 - 74.0 %
@Temperature 151 - 151 °F		Average value: 74.0 % Grade Count:6
 74.0 - 74.0 %
@Time 346000 - 346000 sec		74.0 - 74.0 %
@Time 96.0 - 96.0 hour		Average value: 74.0 % Grade Count:6
Film Elongation at Break, TD 32.0 %32.0 %Average value: 32.0 % Grade Count:6
 66.0 - 66.0 %
@Temperature 66.0 - 66.0 °C		66.0 - 66.0 %
@Temperature 151 - 151 °F		Average value: 66.0 % Grade Count:6
 66.0 - 66.0 %
@Time 346000 - 346000 sec		66.0 - 66.0 %
@Time 96.0 - 96.0 hour		Average value: 66.0 % Grade Count:6
Elongation at Break 3.20 - 760 %3.20 - 760 %Average value: 125 % Grade Count:165
Elongation at Yield 301 - 409 %301 - 409 %Average value: 348 % Grade Count:6
Modulus of Elasticity 0.000138 - 3.45 GPa0.0200 - 500 ksiAverage value: 0.784 GPa Grade Count:88
 0.000287511 - 0.0145893 GPa
@Temperature 71.1 - 71.1 °C		0.0417007 - 2.11603 ksi
@Temperature 160 - 160 °F		Average value: 0.00744 GPa Grade Count:1
Flexural Yield Strength 0.207 - 56.5 MPa30.0 - 8190 psiAverage value: 9.76 MPa Grade Count:133
Flexural Modulus 0.00407 - 1.93 GPa0.590 - 280 ksiAverage value: 0.354 GPa Grade Count:125
Compressive Yield Strength 0.00172 - 48.0 MPa0.250 - 6960 psiAverage value: 3.99 MPa Grade Count:288
 0.0689476 - 44.1195 MPa
@Temperature -53.9 - 177 °C		10.0000 - 6399.01 psi
@Temperature -65.0 - 350 °F		Average value: 4.86 MPa Grade Count:59
 0.124106 - 0.124106 MPa
@Temperature 65.6 - 65.6 °C		18.0000 - 18.0000 psi
@Temperature 150 - 150 °F		Average value: 4.86 MPa Grade Count:2
 0.124106 - 0.124106 MPa
@Strain 25.0 - 25.0 %		18.0000 - 18.0000 psi
@Strain 25.0 - 25.0 %		Average value: 4.86 MPa Grade Count:2
Compressive Modulus 0.0000276 - 1.28 GPa0.00400 - 186 ksiAverage value: 0.180 GPa Grade Count:142
 0.00169611 - 0.556862 GPa
@Temperature -53.9 - 177 °C		0.246004 - 80.7673 ksi
@Temperature -65.0 - 350 °F		Average value: 0.127 GPa Grade Count:58
Resilience 29.0 - 52.029.0 - 52.0Average value: 39.8 Grade Count:16
Rebound 19.0 - 31.0 %19.0 - 31.0 %Average value: 25.5 % Grade Count:6
Poissons Ratio 0.300 - 0.7500.300 - 0.750Average value: 0.308 Grade Count:55
Shear Modulus 0.00152 - 8.01 GPa0.220 - 1160 ksiAverage value: 0.612 GPa Grade Count:79
Shear Strength 0.0896 - 30.2 MPa13.0 - 4390 psiAverage value: 4.28 MPa Grade Count:90
 1.08937 - 1.40653 MPa
@Temperature 121 - 177 °C		158.000 - 204.000 psi
@Temperature 250 - 350 °F		Average value: 1.26 MPa Grade Count:1
Izod Impact, Unnotched 0.347 - 0.972 J/cm0.650 - 1.82 ft-lb/inAverage value: 0.666 J/cm Grade Count:7
Charpy Impact Unnotched 0.378 - 1000 J/cm²1.80 - 4760 ft-lb/in²Average value: 1.30 J/cm² Grade Count:14
Charpy Impact, Notched 0.380 - 1.40 J/cm²1.81 - 6.66 ft-lb/in²Average value: 0.798 J/cm² Grade Count:5
Coefficient of Friction 0.400 - 1.400.400 - 1.40Average value: 0.463 Grade Count:16
Tear Strength Test 30.0 - 13730.0 - 137Average value: 84.6 Grade Count:13
Tear Strength 0.140 - 10.5 kN/m0.800 - 60.0 pliAverage value: 1.07 kN/m Grade Count:80
Peel Strength 0.438 - 0.892 kN/m2.50 - 5.09 pliAverage value: 0.648 kN/m Grade Count:6
Compression Set 0.000 - 87.3 %0.000 - 87.3 %Average value: 13.2 % Grade Count:93
Seal Strength 9.40 g/25 mm9.40 g/inAverage value: 9.40 g/25 mm Grade Count:6
 10.6 - 10.6 g/25 mm
@Temperature 66.0 - 66.0 °C		10.6 - 10.6 g/in
@Temperature 151 - 151 °F		Average value: 10.6 g/25 mm Grade Count:6
 10.6 - 10.6 g/25 mm
@Time 346000 - 346000 sec		10.6 - 10.6 g/in
@Time 96.0 - 96.0 hour		Average value: 10.6 g/25 mm Grade Count:6
Film Tensile Strength at Break, MD 207 MPa30000 psiAverage value: 207 MPa Grade Count:3
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 3.00e+10 - 1.00e+15 ohm-cm3.00e+10 - 1.00e+15 ohm-cmAverage value: 7.14e+13 ohm-cm Grade Count:38
Surface Resistance 0.100 - 2.00e+14 ohm0.100 - 2.00e+14 ohmAverage value: 3.39e+13 ohm Grade Count:23
 0.00700 - 0.0170 ohm
@Temperature 35.0 - 121 °C		0.00700 - 0.0170 ohm
@Temperature 95.0 - 250 °F		Average value: 0.0105 ohm Grade Count:5
 0.00700 - 0.0170 ohm
@Time 605000 - 7.88e+6 sec		0.00700 - 0.0170 ohm
@Time 168 - 2190 hour		Average value: 0.0105 ohm Grade Count:5
Shielding Effectiveness 62.0 - 110 dB62.0 - 110 dBAverage value: 87.5 dB Grade Count:8
Dielectric Constant 1.04 - 1.751.04 - 1.75Average value: 1.43 Grade Count:70
Dielectric Strength 1.65 - 18.0 kV/mm42.0 - 457 kV/inAverage value: 2.88 kV/mm Grade Count:39
Dissipation Factor 0.00187 - 0.05000.00187 - 0.0500Average value: 0.0414 Grade Count:30
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.20 - 630 µm/m-°C4.00 - 350 µin/in-°FAverage value: 107 µm/m-°C Grade Count:125
 61.2 - 72.0 µm/m-°C
@Temperature 23.9 - 121 °C		34.0 - 40.0 µin/in-°F
@Temperature 75.0 - 250 °F		Average value: 69.8 µm/m-°C Grade Count:5
Specific Heat Capacity 0.983 - 1.57 J/g-°C0.235 - 0.376 BTU/lb-°FAverage value: 1.20 J/g-°C Grade Count:40
Thermal Conductivity 0.00591 - 0.830 W/m-K0.0410 - 5.76 BTU-in/hr-ft²-°FAverage value: 0.0605 W/m-K Grade Count:96
Insulation R Value 1.57 - 23.51.57 - 23.5Average value: 6.75 Grade Count:21
Maximum Service Temperature, Air 66.0 - 177 °C151 - 350 °FAverage value: 104 °C Grade Count:136
Deflection Temperature at 0.46 MPa (66 psi) 47.0 - 100 °C117 - 212 °FAverage value: 82.0 °C Grade Count:7
Minimum Service Temperature, Air -196 - 0.000 °C-320 - 32.0 °FAverage value: -149 °C Grade Count:40
Brittleness Temperature -51.0 - -12.0 °C-59.8 - 10.4 °FAverage value: -36.5 °C Grade Count:24
Glass Transition Temp, Tg 42.8 - 149 °C109 - 300 °FAverage value: 123 °C Grade Count:72
Flammability, UL94 HB - 5VBHB - 5VBGrade Count:9
Flame Spread Index 10.0 - 25.010.0 - 25.0Average value: 23.5 Grade Count:10
Flash Point 93.0 - 213 °C199 - 415 °FAverage value: 168 °C Grade Count:7
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 90.0 %90.0 %Average value: 90.0 % Grade Count:5
 
Processing PropertiesMetricEnglishComments
Processing Temperature 21.1 - 60.0 °C70.0 - 140 °FAverage value: 28.9 °C Grade Count:14
Mold Temperature 21.1 - 76.0 °C70.0 - 169 °FAverage value: 50.3 °C Grade Count:26
Cure Time 0.417 - 4320 min0.00694 - 72.0 hourAverage value: 480 min Grade Count:42
 15.0 - 480 min
@Temperature 43.3 - 121 °C		0.250 - 8.00 hour
@Temperature 110 - 250 °F		Average value: 120 min Grade Count:14
Pot Life 0.167 - 6.00 min0.167 - 6.00 minAverage value: 1.12 min Grade Count:37

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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