Westlake EF4060 Low Density Polyethylene

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Westlake EF4060 Low Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE)
Material Notes:	Westlake Polyethylene EF4060 is a low density formulation suggested for cast film applications that require good clarity and heat sealability. Common applications include bread bags, fresh produce bags and converter film requiring printability. Application/Uses Bakery film Food packaging Produce bags Clarity packaging FDA: This material complies with FDA regulations in 21 CFR, section 177.1520. Kosher Compliant. All information provided by Westlake Chemical
Key Words:	Good clarity and heat sealability
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Physical Properties	Metric	English	Comments

Density	0.921 g/cc	0.0333 lb/in³	ASTM D1505
Thickness	38.1 microns	1.50 mil
Melt Flow	3.0 g/10 min @Load 2.16 kg, Temperature 190 °C	3.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	300 %	300 %	ASTM D882
Film Elongation at Break, TD	700 %	700 %	ASTM D882
Dart Drop Test	90.0 g	0.198 lb	ASTM D1709
Film Tensile Strength at Break, MD	14.31 MPa	2075 psi	ASTM D882
Film Tensile Strength at Break, TD	11.0 MPa	1600 psi	ASTM D882
1% Secant Modulus, MD	119 MPa	17200 psi	ASTM D882
1% Secant Modulus, TD	125 MPa	18200 psi	ASTM D882

Optical Properties	Metric	English	Comments
Haze	4.9 %	4.9 %	ASTM D1003
Gloss	84 %	84 %	at 45º; ASTM D2457

Processing Properties	Metric	English	Comments
Melt Temperature	182 - 193 °C	360 - 380 °F	with BUR of 2.4:1 or higher
Blow-up Ratio (BUR)	2.4	2.4

Descriptive Properties
Process	Film

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