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Braskem LF320 LLDPE Cast Film Extrusion Polyethylene Copolymer

Category Polymer , Film , Thermoplastic , Polyethylene (PE) , LLDPE , Linear Low Density Polyethylene (LLDPE)/Butene, Film
Manufacturer Braskem
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Braskem LF320 LLDPE Cast Film Extrusion Polyethylene Copolymer.pdf
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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.
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
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