DuPont™ Surlyn® NWL Sodium Ionomer Resin for Blown and Cast Film

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DuPont™ Surlyn® NWL Sodium Ionomer Resin for Blown and Cast Film (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Ionomer; Ionomer, Film Grade
Material Notes:	Surlyn® NWL is an ionomer resin available for use in conventional blown and cast film extrusion and coextrusion equipment designed to process polyethylene resins. Film produced from this resin is especially suited for skin packaging. Applications: Data provided by the manufacturer, DuPont Packaging. This product line/trade name was acquired by Dow, but this specific grade was discontinued prior to the acquisition.
Key Words:	Ethylene/Methacrylic Acid (E/MAA) Copolymer
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Physical Properties	Original Value	Comments

Density	0.940 g/cc	ASTM D792
Melt Flow	1.3 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	450 %	ASTM D882
Film Elongation at Break, TD	475 %	ASTM D882
Secant Modulus, MD	0.170 GPa	ASTM D882
Secant Modulus, TD	0.0450 GPa	ASTM D882
Impact	58	Spencer Impact in J/cm; ASTM D3420
Elmendorf Tear Strength, MD	1.30 g/micron
Elmendorf Tear Strength, TD	1.40 g/micron
Film Tensile Strength at Break, MD	26.9 MPa	ASTM D882
Film Tensile Strength at Break, TD	26.5 MPa	ASTM D882

Thermal Properties	Original Value	Comments
Melting Point	96.0 °C	DSC; ASTM D3418
Vicat Softening Point	72.0 °C	ASTM D1525

Optical Properties	Original Value	Comments
Haze	7.3 %	ASTM D1003
Gloss	55 %	20° Out; ASTM D2457
	82 %	20° In; ASTM D2457

Processing Properties	Original Value	Comments
Melt Temperature	204 °C

**
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PDU621 / 33098

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