Overview of materials for Polymethylpentene, Molded

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Overview of materials for Polymethylpentene, Molded
Categories:	Polymer; Thermoplastic; Polymethylpentene (PMP); Polymethylpentene, Molded
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polymethylpentene, Molded". 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	0.833 - 0.913 g/cc	Average value: 0.847 g/cc Grade Count:11
Water Absorption	0.0100 - 0.100 %	Average value: 0.0190 % Grade Count:10
Water Vapor Transmission	46.5 - 46.5 g/m²/day @Temperature 37.8 - 37.8 °C	Average value: 46.5 g/m²/day Grade Count:1
Linear Mold Shrinkage	0.0150 - 0.0300 cm/cm	Average value: 0.0176 cm/cm Grade Count:6
Linear Mold Shrinkage, Transverse	0.0120 cm/cm	Average value: 0.0120 cm/cm Grade Count:4
Melt Flow	9.00 - 110 g/10 min	Average value: 54.6 g/10 min Grade Count:7
Spiral Flow	50.0 - 56.0 cm	Average value: 52.0 cm Grade Count:4

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	42.0 - 91.0	Average value: 74.7 Grade Count:7
Tensile Strength, Ultimate	10.0 - 30.0 MPa	Average value: 23.3 MPa Grade Count:11
Tensile Strength, Yield	20.0 - 30.0 MPa	Average value: 27.3 MPa Grade Count:8
Elongation at Break	10.0 - 60.0 %	Average value: 19.4 % Grade Count:11
Modulus of Elasticity	0.820 - 1.93 GPa	Average value: 1.63 GPa Grade Count:11
Flexural Yield Strength	21.0 - 47.0 MPa	Average value: 38.4 MPa Grade Count:10
Flexural Modulus	0.630 - 1.60 GPa	Average value: 1.34 GPa Grade Count:11
Izod Impact, Notched	0.200 - 0.534 J/cm	Average value: 0.272 J/cm Grade Count:8
Izod Impact, Unnotched (ISO)	8.00 - 129 kJ/m²	Average value: 43.0 kJ/m² Grade Count:7

Electrical Properties	Original Value	Comments
Electrical Resistivity	10200 - 1.00e+16 ohm-cm	Average value: 8.89e+15 ohm-cm Grade Count:9
Dielectric Constant	2.10 - 2.12	Average value: 2.10 Grade Count:8
Dielectric Strength	65.0 - 146 kV/mm	Average value: 75.1 kV/mm Grade Count:8

Thermal Properties	Original Value	Comments
CTE, linear	117 µm/m-°C	Average value: 117 µm/m-°C Grade Count:7
Melting Point	223 - 235 °C	Average value: 231 °C Grade Count:8
Deflection Temperature at 0.46 MPa (66 psi)	80.0 - 127 °C	Average value: 115 °C Grade Count:9
Vicat Softening Point	147 - 180 °C	Average value: 169 °C Grade Count:7
Flammability, UL94	HB	Grade Count:3

Optical Properties	Original Value	Comments
Refractive Index	1.46 - 1.46	Average value: 1.46 Grade Count:8
Haze	0.800 - 2.10 %	Average value: 1.52 % Grade Count:8
Transmission, Visible	93.0 - 94.0 %	Average value: 93.4 % Grade Count:7

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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O4290 / 78309

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