Overview of materials for Linear Low Density Polyethylene (LLDPE), Injection Molded

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Overview of materials for Linear Low Density Polyethylene (LLDPE), Injection Molded
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Injection Molded
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Linear Low Density Polyethylene (LLDPE), Injection 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	0.870 - 0.963 g/cc	Average value: 0.924 g/cc Grade Count:129
Viscosity	42.0 - 300000 cP @Temperature 190 - 230 °C	Average value: 40700 cP Grade Count:13
	42.0 - 300000 cP @Shear Rate 300 - 5000 1/s	Average value: 40700 cP Grade Count:13
Environmental Stress Crack Resistance	1.00 - 1000 hour	Average value: 284 hour Grade Count:34
	3.00 - 20.0 hour @Temperature 50.0 - 50.0 °C	Average value: 504 hour Grade Count:4
	4.00 - 4.00 hour @Temperature 50.0 - 50.0 °C	Average value: 504 hour Grade Count:1
	4.00 - 4.00 hour @Thickness 3.80 - 3.80 mm	Average value: 504 hour Grade Count:1
Thickness	25.4 - 38.1 microns	Average value: 32.9 microns Grade Count:11
Melt Flow	0.800 - 180 g/10 min	Average value: 30.6 g/10 min Grade Count:126
Spiral Flow	32.0 - 67.8 cm	Average value: 47.6 cm Grade Count:16

Mechanical Properties	Original Value	Comments
Hardness, Shore D	44.0 - 70.0	Average value: 54.7 Grade Count:67
Tensile Strength, Ultimate	7.45 - 45.5 MPa	Average value: 12.2 MPa Grade Count:51
Film Tensile Strength at Yield, MD	1.31 - 12.5 MPa	Average value: 9.65 MPa Grade Count:9
Film Tensile Strength at Yield, TD	10.3 - 13.0 MPa	Average value: 12.0 MPa Grade Count:7
Tensile Strength, Yield	7.30 - 42.0 MPa	Average value: 14.9 MPa Grade Count:95
Film Elongation at Break, MD	460 - 1000 %	Average value: 677 % Grade Count:25
Film Elongation at Break, TD	540 - 1100 %	Average value: 769 % Grade Count:23
Elongation at Break	8.00 - 1100 %	Average value: 440 % Grade Count:79
Elongation at Yield	2.50 - 30.0 %	Average value: 11.0 % Grade Count:18
Modulus of Elasticity	0.120 - 1.57 GPa	Average value: 0.417 GPa Grade Count:34
Flexural Modulus	0.0165 - 3.86 GPa	Average value: 0.451 GPa Grade Count:80
Secant Modulus	0.294 - 0.593 GPa	Average value: 0.417 GPa Grade Count:14
Secant Modulus, MD	0.179 - 0.207 GPa	Average value: 0.201 GPa Grade Count:5
Secant Modulus, TD	0.221 - 0.238 GPa	Average value: 0.234 GPa Grade Count:5
Izod Impact, Notched (ISO)	18.0 - 100000 kJ/m²	Average value: 18.0 kJ/m² Grade Count:3
	23.0 - 97.0 kJ/m² @Temperature -50.0 - -50.0 °C	Average value: 44.5 kJ/m² Grade Count:8
Charpy Impact, Notched	0.460 - 6.70 J/cm²	Average value: 5.07 J/cm² Grade Count:7
Tensile Impact Strength	220.5 - 365.4 kJ/m² @Temperature -40.0 - -40.0 °C	Average value: 268 kJ/m² Grade Count:6
Dart Drop, Total Energy	2.44 J	Average value: 2.44 J Grade Count:4
Falling Dart Impact	27.1164 - 28.4722 J @Temperature -40.0 - -40.0 °C	Average value: 27.8 J Grade Count:2
Coefficient of Friction	0.120 - 0.500	Average value: 0.235 Grade Count:4
Coefficient of Friction, Static	0.200 - 0.580	Average value: 0.310 Grade Count:4
Elmendorf Tear Strength MD	260 - 600 g	Average value: 514 g Grade Count:12
Elmendorf Tear Strength TD	490 - 900 g	Average value: 729 g Grade Count:12
Elmendorf Tear Strength, MD	2.00 - 15.0 g/micron	Average value: 7.72 g/micron Grade Count:11
Elmendorf Tear Strength, TD	7.30 - 27.6 g/micron	Average value: 16.8 g/micron Grade Count:11
Dart Drop	3.00 - 19.7 g/micron	Average value: 6.47 g/micron Grade Count:12
Dart Drop Test	290 - 1000 g	Average value: 570 g Grade Count:12
Film Tensile Strength at Break, MD	21.0 - 56.5 MPa	Average value: 38.7 MPa Grade Count:23
Film Tensile Strength at Break, TD	16.0 - 47.0 MPa	Average value: 31.7 MPa Grade Count:23

Thermal Properties	Original Value	Comments
Melting Point	75.0 - 128 °C	Average value: 116 °C Grade Count:51
Crystallization Temperature	106 - 113 °C	Average value: 108 °C Grade Count:8
Deflection Temperature at 0.46 MPa (66 psi)	42.0 - 57.2 °C	Average value: 48.5 °C Grade Count:21
Deflection Temperature at 1.8 MPa (264 psi)	35.0 - 35.6 °C	Average value: 35.2 °C Grade Count:3
Vicat Softening Point	41.1 - 130 °C	Average value: 96.3 °C Grade Count:85
Brittleness Temperature	-76.1 - -27.0 °C	Average value: -68.9 °C Grade Count:45

Optical Properties	Original Value	Comments
Haze	1.50 - 55.0 %	Average value: 19.2 % Grade Count:17
Gloss	45.0 - 94.0 %	Average value: 67.2 % Grade Count:11

Processing Properties	Original Value	Comments
Processing Temperature	88.9 - 230 °C	Average value: 165 °C Grade Count:4
Nozzle Temperature	149 - 205 °C	Average value: 200 °C Grade Count:10
Melt Temperature	95.0 - 302 °C	Average value: 186 °C Grade Count:33
Mold Temperature	10.0 - 60.0 °C	Average value: 32.0 °C Grade Count:8
Die Opening	0.0810 - 0.254 cm	Average value: 0.169 cm Grade Count:6
Injection Pressure	2.76 - 14.0 MPa	Average value: 10.1 MPa Grade Count:3

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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