Dow Nucrel® 903 Ethylene-Methacrylic Acid Copolymer Resin for Blown and Cast Film

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Dow Nucrel® 903 Ethylene-Methacrylic Acid Copolymer Resin for Blown and Cast Film
Categories:	Polymer; Film; Thermoplastic; Ethylene Methyl Acrylate; Ethylene-Methyl Acrylate Copolymer, Film Grade
Material Notes:	9 wt% Methacrylic Acid. Nucrel® 0903 is an ethylene-methacrylic acid copolymer resin available for use in conventional blown and cast film extrusion and coextrusion equipment designed to process polyethylene resins. Features/Benefits vs. Nucrel® 0902HC: Higher melt flow index provides easier extrusion, higher extrusion rates, and higher flow during heat sealing. The result is fewer leakers. Typical Applications: Meat, poultry, seafood, and cheese packaging; Cereal liners; Medical/pharmaceutical packaging; Powdered/granular food and non-food pouches; Carded display/skin packaging films; Edible oil, motor oil, and other liquid product pouches; Snack structures; Coextrusions with nylon or in other film structures as a heat seal or tie layer. Information provided by DuPont Packaging Polymers. This former DuPont product line is now a Dow product line.
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Physical Properties	Original Value	Comments

Melt Flow	2.5 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	500 %	50 µm (2 mil) film; ASTM D882
Film Elongation at Break, TD	500 %	50 µm (2 mil) film; ASTM D882
Secant Modulus, MD	0.103 GPa	50 µm (2 mil) film; ASTM D882
Secant Modulus, TD	0.110 GPa	50 µm (2 mil) film; ASTM D882
Impact	24	J/mm Spencer Impact; ASTM D3420
Elmendorf Tear Strength, MD	140 g/mil	50 µm (2 mil) film; ASTM D1922
Elmendorf Tear Strength, TD	190 g/mil	50 µm (2 mil) film; ASTM D1922
Dart Drop Test	5.90 g
Seal Strength	1400 g/25 mm	seal bar 140°C.
Hot Tack Strength	1800 g/25 mm	seal bar 105°C; Packforsk method.
Film Tensile Strength at Break, MD	31.7 MPa	50 µm (2 mil) film; ASTM D882
Film Tensile Strength at Break, TD	35.2 MPa	50 µm (2 mil) film; ASTM D882

Thermal Properties	Original Value	Comments
Melting Point	83.0 °C	Freezing Point via DSC/ASTM D3418
	101 °C	Upon Melting via DSC/ASTM D3418
Vicat Softening Point	81.0 °C	ASTM D1525

Optical Properties	Original Value	Comments
Haze	3.5 %	ASTM D1003
Gloss	60 %	20°; ASTM D2457

Processing Properties	Original Value	Comments
Nozzle Temperature	191 °C	Typical Die Temp.
Melt Temperature	190 - 218 °C	blown film equipment

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