Overview of materials for Medium Density Polyethylene (MDPE), Film Grade

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Overview of materials for Medium Density Polyethylene (MDPE), Film Grade
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Medium Density (MDPE); Medium Density Polyethylene (MDPE), Film Grade
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Medium Density Polyethylene (MDPE), Film Grade". 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	0.925 - 0.958 g/cc	Average value: 0.937 g/cc Grade Count:32
Water Vapor Transmission	7.76 - 14.0 g/m²/day	Average value: 11.4 g/m²/day Grade Count:4
	10.864 - 12.416 g/m²/day @Temperature 37.8 - 37.8 °C	Average value: 11.6 g/m²/day Grade Count:2
Oxidative Induction Time (OIT)	25.0 - 30.0 min @Temperature 200 - 200 °C	Average value: 27.0 min Grade Count:6
Thickness	20.0 - 38.1 microns	Average value: 27.4 microns Grade Count:13
Melt Flow	0.0570 - 30.0 g/10 min	Average value: 6.77 g/10 min Grade Count:32

Mechanical Properties	Original Value	Comments
Hardness, Shore D	60.0	Average value: 60.0 Grade Count:6
Film Tensile Strength at Yield, MD	12.4 - 35.2 MPa	Average value: 20.7 MPa Grade Count:23
Film Tensile Strength at Yield, TD	14.7 - 29.6 MPa	Average value: 19.6 MPa Grade Count:23
Tensile Strength, Yield	18.0 - 27.6 MPa	Average value: 21.9 MPa Grade Count:3
Film Elongation at Break, MD	150 - 800 %	Average value: 529 % Grade Count:29
Film Elongation at Break, TD	10.0 - 900 %	Average value: 666 % Grade Count:29
Elongation at Break	600 - 910 %	Average value: 797 % Grade Count:3
Flexural Modulus	0.590 - 0.850 GPa	Average value: 0.751 GPa Grade Count:13
Secant Modulus, MD	0.214 - 1.07 GPa	Average value: 0.431 GPa Grade Count:15
Secant Modulus, TD	0.172 - 1.37 GPa	Average value: 0.514 GPa Grade Count:15
Izod Impact, Notched	1.15 - 8.00 J/cm	Average value: 4.92 J/cm Grade Count:3
Elmendorf Tear Strength MD	10.0 - 350 g	Average value: 72.7 g Grade Count:20
Elmendorf Tear Strength TD	35.0 - 1450 g	Average value: 508 g Grade Count:20
Elmendorf Tear Strength, MD	0.800 - 3.94 g/micron	Average value: 1.83 g/micron Grade Count:9
Elmendorf Tear Strength, TD	3.94 - 19.7 g/micron	Average value: 13.7 g/micron Grade Count:9
Dart Drop	1.57 - 5.91 g/micron	Average value: 3.39 g/micron Grade Count:8
Dart Drop Test	30.0 - 300 g	Average value: 108 g Grade Count:26
Film Tensile Strength at Break, MD	4.83 - 76.5 MPa	Average value: 47.1 MPa Grade Count:29
Film Tensile Strength at Break, TD	17.0 - 66.2 MPa	Average value: 38.9 MPa Grade Count:29

Thermal Properties	Original Value	Comments
Melting Point	116 - 129 °C	Average value: 124 °C Grade Count:15
Vicat Softening Point	116 - 124 °C	Average value: 120 °C Grade Count:12

Optical Properties	Original Value	Comments
Haze	4.80 - 21.0 %	Average value: 8.25 % Grade Count:10
Gloss	22.0 - 90.0 %	Average value: 62.5 % Grade Count:11

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 220 °C	Average value: 188 °C Grade Count:11
Melt Temperature	193 - 280 °C	Average value: 215 °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 go back to viewing the property data in MatWeb's normal format.

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O3907 / 78271

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