Braskem LL318 LLDPE Cast Film Extrusion Polyethylene Copolymer

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Braskem LL318 LLDPE Cast Film Extrusion Polyethylene Copolymer (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Film Grade; LLDPE/Butene, Film
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.
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Physical Properties	Original Value	Comments

Density	0.918 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	1220 %	ASTM-D882
Film Elongation at Break, TD	1440 %	ASTM-D882
Elmendorf Tear Strength MD	120 g	ASTM-D1922
Elmendorf Tear Strength TD	340 g	ASTM-D1922
Elmendorf Tear Strength, MD	3.16 g/micron	ASTM-D1922
Elmendorf Tear Strength, TD	8.95 g/micron	ASTM-D1922
Dart Drop	2.37 g/micron	ASTM-D1709
Dart Drop Test	90.0 g	ASTM-D1709
Film Tensile Strength at Break, MD	30.0 MPa	ASTM-D882
Film Tensile Strength at Break, TD	30.0 MPa	ASTM-D882
1% Secant Modulus, MD	180 MPa	ASTM-D882
1% Secant Modulus, TD	200 MPa	ASTM-D882

Optical Properties	Original Value	Comments
Haze	61 %	ASTM-D1003
Gloss	19 %	Angle 60°; ASTM-D2457

**
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PBRAS870 / 106716

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