Overview of materials for Thermoset Polyurethane, Liquid

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Overview of materials for Thermoset Polyurethane, Liquid
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Liquid
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Thermoset Polyurethane, Liquid". 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 Properties	Original Value	Comments

Density	0.971 - 1.24 g/cc	Average value: 1.08 g/cc Grade Count:101
Water Absorption at Saturation	2.00 - 4.00 %	Average value: 3.08 % Grade Count:4
Viscosity	90.0 - 100000 cP	Average value: 3190 cP Grade Count:74
	100 - 15000 cP @Temperature 45.0 - 82.2 °C	Average value: 2520 cP Grade Count:8
Thickness	102 - 6100 microns	Average value: 1700 microns Grade Count:5
Linear Mold Shrinkage	0.00100 - 0.00400 cm/cm	Average value: 0.00169 cm/cm Grade Count:34

Mechanical Properties	Original Value	Comments
Hardness, Shore A	10.0 - 95.0	Average value: 59.6 Grade Count:38
Hardness, Shore D	50.0 - 86.0	Average value: 79.6 Grade Count:24
Tensile Strength, Ultimate	0.586 - 89.0 MPa	Average value: 32.6 MPa Grade Count:72
Elongation at Break	2.00 - 1000 %	Average value: 358 % Grade Count:70
Modulus of Elasticity	0.650 - 3.20 GPa	Average value: 1.91 GPa Grade Count:23
Flexural Yield Strength	32.0 - 115 MPa	Average value: 92.7 MPa Grade Count:21
Flexural Modulus	2.07 - 3.00 GPa	Average value: 2.40 GPa Grade Count:20
Rebound	5.00 - 65.0 %	Average value: 38.7 % Grade Count:13
Izod Impact, Notched	0.272 - 4.80 J/cm	Average value: 1.02 J/cm Grade Count:19
Izod Impact, Unnotched	1.17 - 5.02 J/cm	Average value: 3.43 J/cm Grade Count:16
Charpy Impact Unnotched	2.80 - 6.00 J/cm²	Average value: 4.60 J/cm² Grade Count:4
Tear Strength	1.21 - 167 kN/m	Average value: 43.5 kN/m Grade Count:43
Taber Abrasion, mg/1000 Cycles	3.00 - 1880	Average value: 149 Grade Count:17

Electrical Properties	Original Value	Comments
Electrical Resistivity	7.00e+13 - 6.01e+15 ohm-cm	Average value: 2.21e+15 ohm-cm Grade Count:6
Surface Resistance	1.00e+13 - 7.65e+13 ohm	Average value: 3.22e+13 ohm Grade Count:6
Dielectric Strength	15.0 - 18.7 kV/mm	Average value: 16.2 kV/mm Grade Count:6
Comparative Tracking Index	600 V	Average value: 600 V Grade Count:3

Thermal Properties	Original Value	Comments
CTE, linear	90.0 - 160 µm/m-°C	Average value: 131 µm/m-°C Grade Count:4
CTE, linear, Transverse to Flow	90.0 - 160 µm/m-°C	Average value: 131 µm/m-°C Grade Count:4
Deflection Temperature at 0.46 MPa (66 psi)	67.0 - 195 °C	Average value: 113 °C Grade Count:8
Deflection Temperature at 1.8 MPa (264 psi)	54.0 - 136 °C	Average value: 85.5 °C Grade Count:12
Vicat Softening Point	94.0 - 245 °C	Average value: 163 °C Grade Count:4
Heat Distortion Temperature	60.0 - 80.0 °C	Average value: 69.7 °C Grade Count:12
Glass Transition Temp, Tg	83.0 - 145 °C	Average value: 105 °C Grade Count:3
Flammability, UL94	V-0	Grade Count:9

Processing Properties	Original Value	Comments
Processing Temperature	18.3 - 93.3 °C	Average value: 42.8 °C Grade Count:26
Mold Temperature	21.1 - 100 °C	Average value: 59.6 °C Grade Count:26
Cure Time	5.00 - 30200 min	Average value: 1910 min Grade Count:52
	15.0 - 1440 min @Temperature 57.2 - 100 °C	Average value: 434 min Grade Count:17
Pot Life	0.750 - 60.0 min	Average value: 19.2 min Grade Count:46

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 go back to viewing the property data in MatWeb's normal format.

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