Overview of materials for High Density Polyethylene (HDPE), Film Grade

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Overview of materials for High Density Polyethylene (HDPE), Film Grade
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Film Grade
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "High Density Polyethylene (HDPE), 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	0.917 - 0.968 g/cc	Average value: 0.951 g/cc Grade Count:209
Moisture Vapor Transmission	0.100 - 0.260 cc-mm/m²-24hr-atm	Average value: 0.172 cc-mm/m²-24hr-atm Grade Count:14
	0.00418 - 2.64 cc-mm/m²-24hr-atm @Temperature 38.0 - 38.0 °C	Average value: 1.32 cc-mm/m²-24hr-atm Grade Count:2
Water Vapor Transmission	0.260 - 62.1 g/m²/day	Average value: 8.93 g/m²/day Grade Count:13
	0.500 - 15.5 g/m²/day @Temperature 37.8 - 38.0 °C	Average value: 5.63 g/m²/day Grade Count:18
Oxygen Transmission	1.77 - 138 cc-mm/m²-24hr-atm	Average value: 64.4 cc-mm/m²-24hr-atm Grade Count:4
Oxygen Transmission Rate	465 - 5580 cc/m²/day	Average value: 2030 cc/m²/day Grade Count:13
Environmental Stress Crack Resistance	2.00 - 1500 hour	Average value: 768 hour Grade Count:11
	24.0 - 24.0 hour @Temperature 50.0 - 50.0 °C	Average value: 1000 hour Grade Count:6
Oxidative Induction Time (OIT)	40.0 - 55.0 min @Temperature 200 - 200 °C	Average value: 48.8 min Grade Count:4
Thickness	10.0 - 75.0 microns	Average value: 26.8 microns Grade Count:93
Melt Flow	0.0270 - 55.0 g/10 min	Average value: 5.01 g/10 min Grade Count:210
Base Resin Melt Index	0.0500 - 18.0 g/10 min	Average value: 4.90 g/10 min Grade Count:4
Ash	0.0300 - 0.0600 %	Average value: 0.0544 % Grade Count:8

Mechanical Properties	Original Value	Comments
Hardness, Shore D	28.0 - 69.0	Average value: 61.7 Grade Count:27
Tensile Strength, Ultimate	23.0 - 89.2 MPa	Average value: 36.4 MPa Grade Count:21
Film Tensile Strength at Yield, MD	11.6 - 51.7 MPa	Average value: 29.2 MPa Grade Count:94
Film Tensile Strength at Yield, TD	12.1 - 228 MPa	Average value: 30.3 MPa Grade Count:95
Tensile Strength, Yield	8.80 - 35.0 MPa	Average value: 20.9 MPa Grade Count:48
Film Elongation at Break, MD	160 - 1350 %	Average value: 544 % Grade Count:152
Film Elongation at Break, TD	3.00 - 1100 %	Average value: 583 % Grade Count:146
Elongation at Break	350 - 1700 %	Average value: 699 % Grade Count:40
Elongation at Yield	8.00 - 11.0 %	Average value: 9.76 % Grade Count:8
Modulus of Elasticity	0.0200 - 1.35 GPa	Average value: 0.836 GPa Grade Count:20
Flexural Modulus	0.660 - 1.50 GPa	Average value: 1.07 GPa Grade Count:19
Secant Modulus	0.655 - 1.10 GPa	Average value: 0.848 GPa Grade Count:8
Secant Modulus, MD	0.0300 - 100 GPa	Average value: 1.77 GPa Grade Count:106
Secant Modulus, TD	0.0500 - 1.70 GPa	Average value: 1.01 GPa Grade Count:105
Izod Impact, Notched	1.47 - 2.94 J/cm	Average value: 2.45 J/cm Grade Count:3
Izod Impact, Notched (ISO)	15.0 - 24.0 kJ/m²	Average value: 17.8 kJ/m² Grade Count:4
Dart Drop, Total Energy	2.44 - 2.71 J	Average value: 2.53 J Grade Count:3
Puncture Energy	0.722 - 2.14 J	Average value: 1.29 J Grade Count:9
Coefficient of Friction	0.240 - 0.400	Average value: 0.284 Grade Count:8
Coefficient of Friction, Static	0.100 - 0.250	Average value: 0.175 Grade Count:6
Tear Strength Test	9.80 - 27.4	Average value: 15.2 Grade Count:15
Elmendorf Tear Strength MD	0.200 - 70.0 g	Average value: 24.5 g Grade Count:92
Elmendorf Tear Strength TD	0.800 - 1800 g	Average value: 332 g Grade Count:90
Elmendorf Tear Strength, MD	0.250 - 70.0 g/micron	Average value: 1.92 g/micron Grade Count:61
Elmendorf Tear Strength, TD	0.800 - 150 g/micron	Average value: 12.6 g/micron Grade Count:62
Dart Drop	1.16 - 30.0 g/micron	Average value: 7.65 g/micron Grade Count:50
Dart Drop Test	29.0 - 1000 g	Average value: 212 g Grade Count:85
Film Tensile Strength at Break, MD	24.1 - 141 MPa	Average value: 55.5 MPa Grade Count:147
Film Tensile Strength at Break, TD	14.8 - 251 MPa	Average value: 47.7 MPa Grade Count:146
Heat Seal Strength Initiation Temperature	125 °C	Average value: 125 °C Grade Count:6

Electrical Properties	Original Value	Comments
Dielectric Constant	2.33	Average value: 2.33 Grade Count:3
Dielectric Strength	20.0 kV/mm	Average value: 20.0 kV/mm Grade Count:3
Dissipation Factor	0.000100	Average value: 0.000100 Grade Count:3

Thermal Properties	Original Value	Comments
Melting Point	72.0 - 270 °C	Average value: 133 °C Grade Count:78
Deflection Temperature at 0.46 MPa (66 psi)	59.0 - 64.0 °C	Average value: 62.3 °C Grade Count:3
Vicat Softening Point	41.0 - 133 °C	Average value: 114 °C Grade Count:69
Softening Point	73.0 - 75.0 °C	Average value: 74.2 °C Grade Count:5
Brittleness Temperature	-80.0 - -59.0 °C	Average value: -69.6 °C Grade Count:21

Optical Properties	Original Value	Comments
Haze	4.00 - 81.0 %	Average value: 29.6 % Grade Count:32
Gloss	5.00 - 127 %	Average value: 57.3 % Grade Count:30

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 260 °C	Average value: 196 °C Grade Count:23
Melt Temperature	124 - 280 °C	Average value: 207 °C Grade Count:65
Die Opening	0.0760 - 0.280 cm	Average value: 0.162 cm Grade Count:10

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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