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Amatrium Materials AI
Dow Bynel® 3930 Anhydride-Modified Ethylene Vinyl Acetate Adhesive Resin
Categories: Polymer; Thermoplastic; Ethylene Vinyl Acetate; Ethylene Vinyl Acetate Copolymer (EVA), Adhesive/Sealant Grade

Material Notes: Bynel® Series 3900 resins are anhydride-modified ethylene vinyl acetate polymers. They are available in pellet form for use in conventional extrusion and coextrusion equipment designed to process polyethylene (PE) resins.

Applications: Bynel® 3930 and Bynel® 3933 adhere to a wide variety of materials. They are most often used to adhere to EVA, EVOH, ionomer, polyamide, and PE. Bynel® 3930 and Bynel® 3933 differ primarily in their melt indices. They are both suitable for blown film applications, and Bynel® 3933 can also be used in cast film coextrusion. Both resins can be used to adhere EVOH to PE or ionomer or to adhere polyamide to PE when extra bond strength is required.

Physical properties of Bynel® Series 3900 resins are typical of EVA resins with similar density and melt index values. The rheology characteristics of each grade are different, so one may be better suited than the other to a particular extrusion process.

Information provided by DuPont Packaging Polymers.

This former DuPont product line is now a Dow product line.

Vendors:
Available Properties
  • Density, ASTM D792
  • Viscosity, estimated from log-log graph
  • Melt Flow, ASTM D1238
  • Melting Point, Freezing point via DSC/ASTM D3418
  • Melting Point, Melting point via DSC/ASTM D3418
  • Vicat Softening Point, ASTM D1525
  • Processing Temperature, Extruder forward zone and adapter. Degrades above 238°C.
  • Nozzle Temperature, Die
  
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Manufacturer Notes:
Dow Chemical (former DuPont)

Category Notes
Plastic

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