Overview of materials for Linear Low Density Polyethylene (LLDPE), Extrusion Grade

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Overview of materials for Linear Low Density Polyethylene (LLDPE), Extrusion Grade
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Extrusion Grade
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Linear Low Density Polyethylene (LLDPE), Extrusion 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	Metric	English	Comments

Density	0.906 - 1.01 g/cc	0.0327 - 0.0365 lb/in³	Average value: 0.928 g/cc Grade Count:71
Water Vapor Transmission	15.0 - 15.0 g/m²/day @Temperature 38.0 - 38.0 °C	0.966 - 0.966 g/100 in²/day @Temperature 100 - 100 °F	Average value: 15.0 g/m²/day Grade Count:1
Environmental Stress Crack Resistance	13.0 - 2500 hour	13.0 - 2500 hour	Average value: 930 hour Grade Count:24
	1500 - 1500 hour @Temperature 50.0 - 50.0 °C	1500 - 1500 hour @Temperature 122 - 122 °F	Average value: 168 hour Grade Count:1
	0.500 - 1.50 hour @Temperature 50.0 - 50.0 °C	0.500 - 1.50 hour @Temperature 122 - 122 °F	Average value: 168 hour Grade Count:4
	0.500 - 1.50 hour @Thickness 2.00 - 2.00 mm	0.500 - 1.50 hour @Thickness 0.0787 - 0.0787 in	Average value: 168 hour Grade Count:4
Thickness	20.0 - 25.4 microns	0.787 - 1.00 mil	Average value: 23.9 microns Grade Count:7
Melt Flow	0.0400 - 48.0 g/10 min	0.0400 - 48.0 g/10 min	Average value: 5.42 g/10 min Grade Count:72

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	49.0 - 68.0	49.0 - 68.0	Average value: 58.6 Grade Count:25
Tensile Strength, Ultimate	9.00 - 28.0 MPa	1310 - 4060 psi	Average value: 14.6 MPa Grade Count:16
Film Tensile Strength at Yield, MD	8.48 - 12.0 MPa	1230 - 1740 psi	Average value: 10.2 MPa Grade Count:6
Film Tensile Strength at Yield, TD	8.48 - 11.5 MPa	1230 - 1670 psi	Average value: 9.69 MPa Grade Count:6
Tensile Strength, Yield	7.58 - 28.0 MPa	1100 - 4060 psi	Average value: 17.9 MPa Grade Count:30
Film Elongation at Break, MD	450 - 1220 %	450 - 1220 %	Average value: 732 % Grade Count:28
Film Elongation at Break, TD	530 - 1450 %	530 - 1450 %	Average value: 945 % Grade Count:28
Elongation at Break	100 - 1290 %	100 - 1290 %	Average value: 506 % Grade Count:30
Elongation at Yield	12.0 - 16.0 %	12.0 - 16.0 %	Average value: 13.6 % Grade Count:5
Modulus of Elasticity	0.130 - 1.36 GPa	18.9 - 197 ksi	Average value: 0.832 GPa Grade Count:15
Flexural Modulus	0.248 - 0.750 GPa	36.0 - 109 ksi	Average value: 0.481 GPa Grade Count:21
Shear Modulus	0.320 - 0.645 GPa	46.4 - 93.6 ksi	Average value: 0.484 GPa Grade Count:4
Secant Modulus	0.625 GPa	90.6 ksi	Average value: 0.625 GPa Grade Count:4
Secant Modulus, MD	0.110 - 0.310 GPa	16.0 - 45.0 ksi	Average value: 0.190 GPa Grade Count:16
Secant Modulus, TD	0.0965 - 0.400 GPa	14.0 - 58.0 ksi	Average value: 0.218 GPa Grade Count:16
Izod Impact, Notched	0.700 - 100 J/cm	1.31 - 187 ft-lb/in	Average value: 3.58 J/cm Grade Count:8
	NB - NB @Temperature -40.0 - -40.0 °C	NB - NB @Temperature -40.0 - -40.0 °F	Grade Count:2
Charpy Impact, Notched	0.450 - 1000 J/cm²	2.14 - 4760 ft-lb/in²	Average value: 2.67 J/cm² Grade Count:14
Elmendorf Tear Strength MD	26.0 - 540 g	26.0 - 540 g	Average value: 191 g Grade Count:17
Elmendorf Tear Strength TD	253 - 890 g	253 - 890 g	Average value: 478 g Grade Count:17
Elmendorf Tear Strength, MD	2.10 - 17.7 g/micron	53.3 - 450 g/mil	Average value: 10.1 g/micron Grade Count:10
Elmendorf Tear Strength, TD	8.95 - 29.5 g/micron	227 - 750 g/mil	Average value: 18.6 g/micron Grade Count:10
Dart Drop	2.37 - 68.9 g/micron	60.2 - 1750 g/mil	Average value: 26.5 g/micron Grade Count:9
Dart Drop Test	53.0 - 850 g	0.117 - 1.87 lb	Average value: 290 g Grade Count:20
Film Tensile Strength at Break, MD	8.83 - 55.2 MPa	1280 - 8010 psi	Average value: 37.1 MPa Grade Count:28
Film Tensile Strength at Break, TD	8.83 - 44.8 MPa	1280 - 6500 psi	Average value: 30.4 MPa Grade Count:28

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.27 - 2.50	2.27 - 2.50	Average value: 2.36 Grade Count:3
Dissipation Factor	0.0000600 - 0.000400	0.0000600 - 0.000400	Average value: 0.000187 Grade Count:3

Thermal Properties	Metric	English	Comments
Melting Point	112 - 133 °C	234 - 271 °F	Average value: 126 °C Grade Count:18
Deflection Temperature at 0.46 MPa (66 psi)	39.0 - 57.0 °C	102 - 135 °F	Average value: 49.7 °C Grade Count:12
Vicat Softening Point	62.0 - 130 °C	144 - 266 °F	Average value: 107 °C Grade Count:29
Brittleness Temperature	-76.0 - -42.0 °C	-105 - -43.6 °F	Average value: -71.3 °C Grade Count:12

Optical Properties	Metric	English	Comments
Haze	1.30 - 43.0 %	1.30 - 43.0 %	Average value: 12.8 % Grade Count:21
Gloss	19.0 - 102 %	19.0 - 102 %	Average value: 67.3 % Grade Count:20

Processing Properties	Metric	English	Comments
Processing Temperature	20.0 - 250 °C	68.0 - 482 °F	Average value: 154 °C Grade Count:9
Melt Temperature	149 - 325 °C	300 - 617 °F	Average value: 222 °C Grade Count:13

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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