Overview of materials for High Density Polyethylene (HDPE), Crosslinkable

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Overview of materials for High Density Polyethylene (HDPE), Crosslinkable
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Crosslinkable (XLPE)
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "High Density Polyethylene (HDPE), Crosslinkable". 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	Metric	English	Comments

Density	0.932 - 1.47 g/cc	0.0337 - 0.0531 lb/in³	Average value: 0.976 g/cc Grade Count:23
Moisture Absorption at Equilibrium	0.0200 %	0.0200 %	Average value: 0.0200 % Grade Count:6
Environmental Stress Crack Resistance	1000 hour	1000 hour	Average value: 1000 hour Grade Count:3
	>= 1000 hour @Temperature 50.0 - 50.0 °C	>= 1000 hour @Temperature 122 - 122 °F	Average value: 1000 hour Grade Count:4
Melt Flow	0.350 - 6.50 g/10 min	0.350 - 6.50 g/10 min	Average value: 2.08 g/10 min Grade Count:17

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	19.0 - 27.0 MPa	2760 - 3920 psi	Average value: 22.9 MPa Grade Count:14
Tensile Strength, Yield	18.0 - 21.0 MPa	2610 - 3050 psi	Average value: 19.0 MPa Grade Count:7
Elongation at Break	106 - 900 %	106 - 900 %	Average value: 392 % Grade Count:21
Flexural Modulus	0.600 - 0.758 GPa	87.0 - 110 ksi	Average value: 0.690 GPa Grade Count:8

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	57.8 - 61.1 °C	136 - 142 °F	Average value: 59.7 °C Grade Count:4
Vicat Softening Point	124 - 127 °C	255 - 261 °F	Average value: 125 °C Grade Count:4
Brittleness Temperature	-90.0 °C	-130 °F	Average value: -90.0 °C Grade Count:3

Processing Properties	Metric	English	Comments
Processing Temperature	246 - 326 °C	475 - 619 °F	Average value: 286 °C Grade Count:3
Die Temperature	182 - 220 °C	360 - 428 °F	Average value: 204 °C Grade Count:15
Melt Temperature	150 - 260 °C	302 - 500 °F	Average value: 175 °C Grade Count:16
Head Temperature	93.3 - 210 °C	200 - 410 °F	Average value: 165 °C Grade Count:14
Screw Cooling Temperature	70.0 - 90.0 °C	158 - 194 °F	Average value: 80.0 °C 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 view all the property values for this datasheet as they were originally entered into MatWeb.

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