Westlake EF412 Low Density Polyethylene

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Westlake EF412 Low Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE)
Material Notes:	WESTLAKE polyethylene EF412 is a low-density polyethylene with very good optical and strength properties. This material is an excellent choice for bakery films and food packaging applications. Application/Uses General purpose clarity packaging Medium duty produce bags Bakery bags Bags for textile items FDA: This material complies with FDA regulations in 21 CFR, section 177.1520. Kosher Compliant. All information provided by Westlake Chemical
Key Words:	Very good optical and strength properties
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Physical Properties	Metric	English	Comments

Density	0.923 g/cc	0.0333 lb/in³	ASTM D1505
Thickness	31.8 microns	1.25 mil
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	350 %	350 %	ASTM D882
Film Elongation at Break, TD	700 %	700 %	ASTM D882
Dart Drop	3.94 g/micron	100 g/mil	ASTM D1709
Film Tensile Strength at Break, MD	24.1 MPa	3500 psi	ASTM D882
Film Tensile Strength at Break, TD	18.6 MPa	2700 psi	ASTM D882
1% Secant Modulus, MD	172 MPa	25000 psi	ASTM D882
1% Secant Modulus, TD	200 MPa	29000 psi	ASTM D882

Optical Properties	Metric	English	Comments
Haze	4.2 %	4.2 %	ASTM D1003
Gloss	76 %	76 %	at 45º; ASTM D2457

Processing Properties	Metric	English	Comments
Melt Temperature	182 - 199 °C	360 - 390 °F	with BUR of 1.5:1 or higher
Blow-up Ratio (BUR)	2.5	2.5

Descriptive Properties
Process	Film

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PWESF058 / 84495

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