Dow 959S Linear Low Density Polyethylene (LDPE)

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Dow 959S Linear Low Density Polyethylene (LDPE)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE)
Material Notes:	DOW Polyethylene 959S is a medium molecular weight distribution homopolymer. This resin has good process-ability over a wide range of molding conditions. Typical applications include lids. It complies with U.S. FDA 21 CFR 177.1520 (c) 2.1. Information provided by Dow
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Physical Properties	Original Value	Comments

Density	0.923 g/cc	ASTM D792
ESCR 100% Igepal®	<= 1.0 hour @Temperature 50.0 °C	F₅₀; Molded and tested in accordance with ASTM D4976; ASTM D1693
Melt Index of Compound	55 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	48	Molded and tested in accordance with ASTM D4976; ASTM D2240
Tensile Strength at Break	900 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Tensile Strength, Yield	1600 psi	Molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Break	58 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Elongation at Yield	3.0 %	Molded and tested in accordance with ASTM D4976; ASTM D638
Flexural Modulus	48000 psi @Strain 2 %	Secant; Molded and tested per ASTM D4976; ASTM D790 B
Tensile Impact Strength	56.0 ft-lb/in²	Molded and tested in accordance with ASTM D4976; ASTM D1822, Type S

Thermal Properties	Original Value	Comments
Melting Point	230 °F	Dow Method (DSC)
Crystallization Temperature	100 °C	Dow Method (DSC)
Deflection Temperature at 0.46 MPa (66 psi)	115 °F	Molded and tested in accordance with ASTM D4976; ASTM D648
Vicat Softening Point	194 °F	ASTM D1525
Brittleness Temperature	-4.00 °F	Molded and tested in accordance with ASTM D4976; ASTM D746

Compliance Properties	Original Value	Comments
FDA	Yes	See notes for details.

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PDOW1249 / 30467

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