Braskem LF218/21 LLDPE Cast and Blown Film Extrusion Polyethylene Copolymer

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Braskem LF218/21 LLDPE Cast and Blown 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:	LF218/21 is a LLDPE Butene copolymer produced by Braskem. It was specially designed to provide outstanding processing performance. Films obtained with this grade show good physical and optical properties and enhanced sealability. It contains medium antiblocking and medium slip additives. Its applications include: liners, LDPE and HDPE blends, general use packages, and technical films for automatic packaging.
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Physical Properties	Metric	English	Comments

Density	0.921 g/cc	0.0333 lb/in³	ASTM-D792
Melt Flow	2.0 g/10 min @Load 2.16 kg, Temperature 190 °C	2.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM-D1238

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	1120 %	1120 %	ASTM-D882
Film Elongation at Break, TD	1270 %	1270 %	ASTM-D882
Elmendorf Tear Strength MD	100 g	100 g	ASTM-D1922
Elmendorf Tear Strength TD	290 g	290 g	ASTM-D1922
Elmendorf Tear Strength, MD	2.63 g/micron	66.8 g/mil	ASTM-D1922
Elmendorf Tear Strength, TD	7.63 g/micron	194 g/mil	ASTM-D1922
Dart Drop	2.11 g/micron	53.6 g/mil	ASTM-D1709
Dart Drop Test	80.0 g	0.176 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	170 MPa	24700 psi	ASTM-D882
1% Secant Modulus, TD	210 MPa	30500 psi	ASTM-D882

Optical Properties	Metric	English	Comments
Haze	14 %	14 %	ASTM-D1003
Gloss	86 %	86 %	Angle 60°; ASTM-D2457

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PBRAS867 / 106713

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