Braskem LF320 LLDPE Cast Film Extrusion Polyethylene Copolymer

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Braskem LF320 LLDPE Cast Film Extrusion Polyethylene Copolymer
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Film Grade; LLDPE/Butene, Film
Material Notes:	LF320 is a linear low-density polyethylene, copolymer of butene-1, produced by the gas phase process. It was developed for cast film extrusion. Films obtained with this product show a good processing performance balanced with good optical and mechanical properties as well as processability. It has a very low gel amount. It contains processing aid and antioxidant additives. Its applications include: stretch films, liners, LDPE and HDPE blends, and packages for general use. Recommended processing conditions for film extrusion are about 170 - 210 ºC.
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Physical Properties	Metric	English	Comments

Density	0.919 g/cc	0.0332 lb/in³	ASTM-D1505
Melt Flow	2.7 g/10 min @Load 2.16 kg, Temperature 190 °C	2.7 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM-D1238

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	1090 %	1090 %	ASTM-D882
Film Elongation at Break, TD	1380 %	1380 %	ASTM-D882
Elmendorf Tear Strength MD	60 g	60 g	ASTM-D1922
Elmendorf Tear Strength TD	320 g	320 g	ASTM-D1922
Elmendorf Tear Strength, MD	1.58 g/micron	40.1 g/mil	ASTM-D1922
Elmendorf Tear Strength, TD	8.42 g/micron	214 g/mil	ASTM-D1922
Dart Drop	1.58 g/micron	40.1 g/mil	ASTM-D1709
Dart Drop Test	60.0 g	0.132 lb	ASTM-D1709
Film Tensile Strength at Break, MD	30.0 MPa	4350 psi	ASTM-D882
Film Tensile Strength at Break, TD	20.0 MPa	2900 psi	ASTM-D882
1% Secant Modulus, MD	180 MPa	26100 psi	ASTM-D882
1% Secant Modulus, TD	230 MPa	33400 psi	ASTM-D882

Optical Properties	Metric	English	Comments
Haze	23 %	23 %	ASTM-D1003
Gloss	68 %	68 %	Angle 60°; ASTM-D2457

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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PBRAS868 / 106714

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