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Elmet Technologies

DuPont Nucrel® 30707SR Ethylene-Acrylic Acid Copolymer Resin for Film and Extrusion Coating  (discontinued **)
Categories: Polymer; Film; Thermoplastic; Ethylene Acrylic Acid
Material Notes: 7 wt% Acrylic Acid.

Nucrel® 30707SR is an ethylene-acrylic acid copolymer resin available for use in blown/cast film and extrusion coating operations. It can be used in both extrusion and coextrusion equipment designed to process polyethylene resins.

Features/Benefits vs. Nucrel® 30707: Slip additives are added to reduce the coefficient of friction of the film surface to increase operating speeds on packaging machinery. Chill roll release agents are added to enhance extrusion coating speeds by reducing tendency of the hot melt to adhere to the chill roll surface.

Typical Applications: Cable shield wrap. Sealants for sachets in both food and nonfood applications. Toothpaste tubes, as a foil/LDPE tie layer. Other foil-containing pouches and sachets. Medical/pharmaceutical packaging.

Information provided by DuPont Packaging Polymers.

This product line/trade name was acquired by Dow, but this specific grade was discontinued prior to the acquisition.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 0.930 g/cc0.0336 lb/in³ASTM D792
Melt Flow 7.0 g/10 min
@Load 2.16 kg,
Temperature 190 °C		7.0 g/10 min
@Load 4.76 lb,
Temperature 374 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Film Elongation at Break, MD 540 %540 %50 µm (2 mil) film; ASTM D882
Film Elongation at Break, TD 560 %560 %50 µm (2 mil) film; ASTM D882
Secant Modulus, MD 0.170 GPa24.7 ksi50 µm (2 mil) film; ASTM D882
Secant Modulus, TD 0.175 GPa25.4 ksi50 µm (2 mil) film; ASTM D882
Impact 1313J/mm Spencer Impact; ASTM D3420
Elmendorf Tear Strength, MD 6.69 g/micron170 g/mil50 µm (2 mil) film; ASTM D1922
Elmendorf Tear Strength, TD 6.30 g/micron160 g/mil50 µm (2 mil) film; ASTM D1922
Dart Drop Test 4.30 g0.00948 lb
Seal Strength 2000 g/25 mm2000 g/inseal bar 150°C.
Hot Tack Strength 475 g/25 mm475 g/inseal bar 98°C; DuPont Spring Test Method
Film Tensile Strength at Break, MD 25.5 MPa3700 psi50 µm (2 mil) film; ASTM D882
Film Tensile Strength at Break, TD 26.9 MPa3900 psi50 µm (2 mil) film; ASTM D882
 
Thermal PropertiesMetricEnglishComments
Melting Point 85.0 °C185 °FFreezing Point via DSC/ASTM D3418
 102 °C216 °FUpon Melting via DSC/ASTM D3418
Vicat Softening Point 84.0 °C183 °FASTM D1525
 
Processing PropertiesMetricEnglishComments
Nozzle Temperature 177 °C351 °FTypical Die Temp. for blown film
Melt Temperature 160 - 175 °C320 - 347 °Fblown film equipment

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PDUPJK / 33654




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