Westlake EF443 Low Density Polyethylene

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Westlake EF443 Low Density Polyethylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE)
Material Notes:	Westlake EF443 is a high melt index LDPE resin suggested for use in compounding applications as a carrier for masterbatch or other concentrates. Application/Uses Compounding General purpose molding Housewares Lids FDA: This material complies with FDA regulations in 21 CFR, section 177.1520. Kosher Compliant. All information provided by Westlake Chemical
Key Words:	Compounding applications
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	0.922 g/cc	ASTM D1505
Thickness	1.25 mil
Melt Flow	20 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1400 psi	ASTM D638
Elongation at Break	160 %	ASTM D638
Flexural Stiffness	28500 psi	ASTM D747
1% Secant Modulus	30000 psi	ASTM D638
Torsional Stiffness	30000 psi	ASTM D1043

Thermal Properties	Original Value	Comments
Vicat Softening Point	95.0 °C	ASTM D1525
Brittleness Temperature	<= -25.0 °C	ASTM D746

Processing Properties	Original Value	Comments
Melt Temperature	360 - 390 °F	with BUR of 1.5:1 or higher
Blow-up Ratio (BUR)	2.5

Descriptive Properties
Process	Color Concentrate

**
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PWESF064 / 84501

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