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Elmet Technologies

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DuPont Elvax® 3128 Ethylene-Vinyl Acetate Copolymer Resin for Blown Film  (discontinued **)
Categories: Polymer; Film; Thermoplastic; Ethylene Vinyl Acetate; Ethylene Vinyl Acetate Copolymer (EVA), Film Grade
Material Notes: 8.9 wt% Vinyl Acetate.

Elvax® 3128 is an extrudable ethylene-vinyl acetate copolymer resin available in pellet form for use in conventional extrusion equipment designed to process polyethylene resins.

General Processing Information: Resin melt temperature should be maintained in the range 150-175°C (300-350°F) to provide a suitable viscosity for blown film extrusion. Selection of a specific melt temperature will depend on considerations such as desired gauge, height of tower or cooling capacity, optical properties and winder and other machine variables. Excessively high melt temperatures, above 230°C (450°F) may cause thermal degradation of the resin.

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 PropertiesOriginal ValueComments
Density 0.930 g/ccASTM D792
Moisture Vapor Transmission 0.630 cc-mm/m²-24hr-atmg-mm/m²-day; based on 1 mil (0.0254 mm) thick film; ASTM E96
Oxygen Transmission 197 cc-mm/m²-24hr-atm
@Thickness 0.0254 mm		Based on 1 mil (0.0254 mm) thick film; ASTM D3985
Melt Flow 2.0 g/10 minCondition not noted.; ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Film Elongation at Break, MD 550 %MD-TD Average; ASTM D882
Film Elongation at Break, TD 550 %MD-TD Average; ASTM D882
Impact 22.7J/mm Spencer Impact; Average of MD and TD; ASTM D3420
Elmendorf Tear Strength, MD 84.0 g/milAverage of MD and TD; ASTM D1922
Film Tensile Strength at Break, MD 24.8 MPaMD-TD Average; ASTM D882
 
Thermal PropertiesOriginal ValueComments
Melting Point 81.0 °CFreezing Point via DSC/ASTM D3418
 101 °CUpon Melting via DSC/ASTM D3418
Vicat Softening Point 83.0 °CASTM D1525
 
Optical PropertiesOriginal ValueComments
Haze 4.0 %ASTM D1003
Gloss 95 %20°; ASTM D2457
 
Processing PropertiesOriginal ValueComments
Melt Temperature 150 - 175 °C

**
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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PDUPH3 / 33606

Ensinger PEI




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