DuPont 20 Series DPE 20 Specialty Polyethylene Resin

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DuPont 20 Series DPE 20 Specialty Polyethylene Resin
Categories:	Polymer; Thermoplastic; Polyethylene (PE)
Material Notes:	DuPont 20 specialty low density polyethylene resin is characterized by low melt index and intermediate crystallinity. This product, produced via a unique polymerization process, has outstanding flexibility and environmental stress crack resistance. Typical Applications: Extrusion blow molding of medical, pharmaceutical, and personal care containers; Injection and injection blow molding containers and closures; Ophthalmic, inhalant, and nasal solution containers; Low pressure air and water tubing. Features & Benefits: Superior resistance to environmental stress cracking; High flexibility; Good heat stability; Excellent color; Odor free; Excellent chemical resistance; Good mold release performance; Nontoxic. Information provided by DuPont Packaging Polymers.
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Physical Properties	Original Value	Comments

Density	0.920 g/cc	ASTM D792
Melt Flow	1.9 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	49	ASTM D2240
Tensile Strength, Ultimate	16.1 MPa	ASTM D638
Tensile Strength, Yield	9.60 MPa	ASTM D638
Elongation at Break	600 %	ASTM D638
Modulus of Elasticity	0.186 GPa	ASTM D638
Flexural Modulus	0.157 GPa	ASTM D790
Izod Impact, Notched	NB	ASTM D256
	0.430 J/cm @Temperature -40.0 °C	ASTM D256

Thermal Properties	Original Value	Comments
Melting Point	92.0 °C	Freezing Point via DSC/ASTM D3418
	108 °C	Upon Melting via DSC/ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	44.0 °C	ASTM D648
Vicat Softening Point	94.0 °C	ASTM D1525
Brittleness Temperature	<= -76.0 °C	ASTM D746

Optical Properties	Original Value	Comments
Refractive Index	1.51	ASTM D542

Processing Properties	Original Value	Comments
Processing Temperature	218 °C	Typical Nozzle Ext. and Manifold temp for injection blow molding.
Nozzle Temperature	218 °C	Die

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