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Westlake EF421 Low Density Polyethylene

Category	Polymer , Thermoplastic , Polyethylene (PE) , LDPE
Manufacturer	Westlake Chemical Corporation
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Westlake EF421 Low Density Polyethylene.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

WESTLAKE polyethylene EF421 is a low-density polyethylene with very good optical and strength properties. This material is an excellent choice for bakery films and general purpose food packaging applications.Application/UsesGeneral purpose clarity packagingMedium duty produce bagsBakery bagsBags for textile itemsFDA: This material complies with FDA regulations in 21 CFR, section 177.1520. Kosher Compliant.All information provided by Westlake Chemical

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	2.1 g/10 min @Load 2.16 kg, Temperature 190 °C	2.1 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	Value	Comments
Process	Film

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