Braskem LF 0720/21 AF LLDPE Blown Film Extrusion Polyethylene

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Braskem LF 0720/21 AF LLDPE Blown Film Extrusion Polyethylene (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Film Grade
Material Notes:	38µm film gauge, obtained in 40mm extruder, with blow up ratio 2, 2:1 Applications: Automatic packaging (FFS); high clarity films; "liners"; general purpose. Information provided by Braskem
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Physical Properties	Original Value	Comments

Density	0.921 g/cc	ASTM D1505
Thickness	38.0 microns
Melt Flow	0.70 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	927 %	ASTM D882
Film Elongation at Break, TD	1228 %	ASTM D882
Secant Modulus, MD	0.185 GPa	1%; ASTM D882
Secant Modulus, TD	0.246 GPa	1%; ASTM D882
Coefficient of Friction	0.12	ASTM D1894
Elmendorf Tear Strength, MD	3.30 g/micron	ASTM 1922
Elmendorf Tear Strength, TD	14.6 g/micron	ASTM 1922
Dart Drop	2.55 g/micron	ASTM D1709
Film Tensile Strength at Break, MD	38.0 MPa	ASTM D882
Film Tensile Strength at Break, TD	32.0 MPa	ASTM D882

Optical Properties	Original Value	Comments
Haze	8.4 %	ASTM D1003
Gloss	11.8 %	60° angle; ASTM D2457

Descriptive Properties
Additives	Antiblock, Slip, and PPA
Minimum Recommended Thickness	30 µm

**
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PBRAS097 / 27831

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