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Braskem LL318 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 Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Braskem LL318 LLDPE Cast Film Extrusion Polyethylene Copolymer.pdf
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Material Notes:
LL318 is a linear low-density polyethylene, copolymer of butene-1, produced by the Spherilene process. It was developed for cast film extrusion. Films obtained with this product show good mechanical properties and enhanced sealability. It contains antioxidant additives. Its applications include: stretch films; liners; LDPE and HDPE blends and packages for general use; blends for irrigation pipes; and insulation for low and medium tension XLPE wires and cables. Recommended processing conditions for film extrusion are about 170 - 210 ºC.
Physical Properties Metric English Comments
Density 0.918 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 1220 %
1220 %
ASTM-D882
Film Elongation at Break, TD 1440 %
1440 %
ASTM-D882
Elmendorf Tear Strength MD 120 g
120 g
ASTM-D1922
Elmendorf Tear Strength TD 340 g
340 g
ASTM-D1922
Elmendorf Tear Strength, MD 3.16 g/micron
80.3 g/mil
ASTM-D1922
Elmendorf Tear Strength, TD 8.95 g/micron
227 g/mil
ASTM-D1922
Dart Drop 2.37 g/micron
60.2 g/mil
ASTM-D1709
Dart Drop Test 90.0 g
0.198 lb
ASTM-D1709
Film Tensile Strength at Break, MD 30.0 MPa
4350 psi
ASTM-D882
Film Tensile Strength at Break, TD 30.0 MPa
4350 psi
ASTM-D882
1% Secant Modulus, MD 180 MPa
26100 psi
ASTM-D882
1% Secant Modulus, TD 200 MPa
29000 psi
ASTM-D882
Optical Properties Metric English Comments
Haze 61 %
61 %
ASTM-D1003
Gloss 19 %
19 %
Angle 60°; ASTM-D2457
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