Westlake EF 442 Low Density Polyethylene

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Westlake EF 442 Low Density Polyethylene (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Molded
Material Notes:	Applications Compounding Properties Excellent Toughness High Flow High Gloss Low Warpage Tendency and Excellent Cold Crack FDA: This material complies with FDA regulations in 21 CFR, section 177.1520, paragraph C, section 2.1, for use in articles that contact food. Kosher approved Processing: Extrusion melt temperatures of 330° to 360°F are recommended for Westlake Polymers EF 442 Information provided by Westlake Chemical Corporation
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Physical Properties	Metric	English	Comments

Density	0.923 g/cc	0.0333 lb/in³	ASTM D1505
Melt Flow	26 g/10 min	26 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	8.27 MPa	1200 psi	ASTM D638
Elongation at Break	500 %	500 %	ASTM D638
Tensile Modulus	0.141 GPa	20.5 ksi	ASTM D1709
Flexural Stiffness	120 MPa	17400 psi	ASTM D747
Torsional Stiffness	159 MPa	23100 psi	ASTM D1043

Thermal Properties	Metric	English	Comments
Vicat Softening Point	85.0 °C	185 °F	ASTM D1525
Brittleness Temperature	-56.0 °C	-68.8 °F	ASTM D746

Processing Properties	Metric	English	Comments
Melt Temperature	166 - 182 °C	330 - 360 °F

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

**
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PWESG032 / 72678

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