Overview of materials for Styrenic TPE

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Overview of materials for Styrenic TPE
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Styrenic TPE". 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	0.930 - 1.68 g/cc	Average value: 1.06 g/cc Grade Count:35
Water Absorption	0.050 %	Average value: 0.0500 % Grade Count:10
Viscosity	22.8 - 4500 cP	Average value: 1590 cP Grade Count:4
Viscosity Measure	8.2 - 25 cSt	Average value: 17.4 cSt Grade Count:16
Linear Mold Shrinkage	0.0060 - 0.025 cm/cm	Average value: 0.0182 cm/cm Grade Count:13
Melt Flow	1.0 - 84 g/10 min	Average value: 26.2 g/10 min Grade Count:27

Chemical Properties	Original Value	Comments
Butadiene Content	60 - 78 %	Average value: 70.2 % Grade Count:10

Mechanical Properties	Original Value	Comments
Hardness, Shore A	45 - 91	Average value: 66.6 Grade Count:40
Tensile Strength, Ultimate	0.345 - 80.0 MPa	Average value: 11.6 MPa Grade Count:42
Tensile Strength, Yield	3.80 - 5.00 MPa	Average value: 4.28 MPa Grade Count:9
Elongation at Break	3.8 - 900 %	Average value: 495 % Grade Count:42
Modulus of Elasticity	0.0180 - 0.0680 GPa	Average value: 0.0313 GPa Grade Count:8
Flex Crack Resistance	35000 - 132000	Average value: 79400 Grade Count:4
Tear Strength	20.0 - 29.4 kN/m	Average value: 24.9 kN/m Grade Count:9

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.100 - 1.00e+16 ohm-cm	Average value: 7.69e+15 ohm-cm Grade Count:13

Thermal Properties	Original Value	Comments
Brittleness Temperature	-60.0 - -57.0 °C	Average value: -59.0 °C Grade Count:4
Flammability, UL94	HB - V-0	Grade Count:5
Oxygen Index	26 - 29 %	Average value: 28.0 % Grade Count:4

Processing Properties	Original Value	Comments
Processing Temperature	171 - 199 °C	Average value: 185 °C Grade Count:13
Nozzle Temperature	188 - 210 °C	Average value: 199 °C Grade Count:4
Die Temperature	190 - 210 °C	Average value: 200 °C Grade Count:4
Melt Temperature	166 - 210 °C	Average value: 188 °C Grade Count:4
Mold Temperature	15.6 - 65.6 °C	Average value: 31.0 °C Grade Count:17
Injection Pressure	1.38 - 103 MPa	Average value: 66.9 MPa Grade Count:17
Cushion	0.381 - 2.54 cm	Average value: 1.46 cm Grade Count:4

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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