Westlake HIFOR® LT74159 Linear Low Density Polyethylene

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Westlake HIFOR® LT74159 Linear Low Density Polyethylene
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Extrusion Grade
Material Notes:	HIFOR® LT74159 is a high-strength linear low density polyethylene containing process aid for ease of extrusion and no slip or antiblock. It is designed for blown film applications and is well suited for consumer and industrial packaging markets which require impact and tear strength. Test specimens for blown film: nominal thickness 1.0 mils; blow up ratio 2.5:1, die gap 100 mils at 50% relative humidity and 23°C. Information provided by Westlake Chemical.
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Physical Properties	Original Value	Comments

Density	0.920 g/cc	ASTM D1505
Melt Index of Compound	0.50 g/10 min	ASTM D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	650 %	ASTM D882
Film Elongation at Break, TD	850 %	ASTM D882
Dart Drop	300 g/mil	ASTM D1709
Film Tensile Strength at Break, MD	7500 psi	ASTM D882
Film Tensile Strength at Break, TD	5800 psi	ASTM D882
1% Secant Modulus, MD	28000 psi	ASTM D882
1% Secant Modulus, TD	33000 psi	ASTM D882

Optical Properties	Original Value	Comments
Haze	8.0 %	ASTM D1003
Gloss	64 %	@ 45°; ASTM D2457

Processing Properties	Original Value	Comments
Melt Temperature	400 - 430 °F	With blow-up ratios of 1.5:1 or higher.

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PWESF8738 / 287848

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