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	Original Value	Comments

Density	0.919 g/cc	ASTM-D1505
Melt Flow	2.7 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM-D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	1090 %	ASTM-D882
Film Elongation at Break, TD	1380 %	ASTM-D882
Elmendorf Tear Strength MD	60 g	ASTM-D1922
Elmendorf Tear Strength TD	320 g	ASTM-D1922
Elmendorf Tear Strength, MD	1.58 g/micron	ASTM-D1922
Elmendorf Tear Strength, TD	8.42 g/micron	ASTM-D1922
Dart Drop	1.58 g/micron	ASTM-D1709
Dart Drop Test	60.0 g	ASTM-D1709
Film Tensile Strength at Break, MD	30.0 MPa	ASTM-D882
Film Tensile Strength at Break, TD	20.0 MPa	ASTM-D882
1% Secant Modulus, MD	180 MPa	ASTM-D882
1% Secant Modulus, TD	230 MPa	ASTM-D882

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

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PBRAS868 / 106714

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