LyondellBasell Alathon® L4434 High Density Polyethylene

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LyondellBasell Alathon® L4434 High Density Polyethylene
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); High Density (HDPE)
Material Notes:	Applications ALATHON L 4434 is a medium molecular weight high density copolymer for use in blown film applications. Typical applications include blown film over pouches. Regulatory Status L 4434 meets the requirements of Food and Drug Administration regulation, 21 CFR 177.1520. This regulation allows the use of this olefin polymer in "…articles or components of articles intended for use in contact with food." Specific limitations or conditions of use may apply. Processing Techniques Specific recommendations for processing L 4434 can only be made when the processing conditions, equipment and end use are known. This product is from the former Equistar product line.
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Physical Properties	Metric	English	Comments

Density	0.944 g/cc	0.0341 lb/in³	ASTM D792
Water Vapor Transmission	2.90 g/m²/day	0.187 g/100 in²/day	ASTM F1249
Thickness	50.8 microns	2.00 mil	Blown Film; 2.5:1 BUR; 60 mil die gap
Melt Flow	0.34 g/10 min	0.34 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	22.1 MPa	3200 psi	ASTM D882
Film Tensile Strength at Yield, TD	27.6 MPa	4000 psi	ASTM D882
Film Elongation at Break, MD	590 %	590 %	ASTM D882
Film Elongation at Break, TD	850 %	850 %	ASTM D882
Secant Modulus, MD	0.679 GPa	98.5 ksi	ASTM E111
Secant Modulus, TD	0.910 GPa	132 ksi	ASTM E111
Elmendorf Tear Strength MD	49 g	49 g	ASTM D1922
Elmendorf Tear Strength TD	1100 g	1100 g	ASTM D1922
Elmendorf Tear Strength, MD	0.965 g/micron	24.5 g/mil	ASTM D1922
Elmendorf Tear Strength, TD	21.7 g/micron	550 g/mil	ASTM D1922
Film Tensile Strength at Break, MD	51.4 MPa	7450 psi	ASTM D882
Film Tensile Strength at Break, TD	46.2 MPa	6700 psi	ASTM D882

Thermal Properties	Metric	English	Comments
Melting Point	<= 127.2 °C	<= 261.0 °F	DSC; Lyondell Test
Vicat Softening Point	124.3 °C	255.7 °F	ASTM D1525

Processing Properties	Metric	English	Comments
Melt Temperature	210 - 232 °C	410 - 450 °F

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	See notes for details.

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PEQU0132 / 36561

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