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DuPont Bynel® 3930 Anhydride-Modified Ethylene Vinyl Acetate Adhesive Resin

Category Polymer , Thermoplastic , Ethylene Vinyl Acetate , Ethylene Vinyl Acetate Copolymer (EVA), Adhesive/Sealant Grade
Manufacturer DuPont Packaging and Industrial Polymers
Trade Name Bynel®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Bynel® 3930 Anhydride-Modified Ethylene Vinyl Acetate Adhesive Resin.pdf
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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.
Physical Properties Metric English Comments
Density 0.938 g/cc
0.0339 lb/in³
ASTM D792
Viscosity 1.20e+6 cP

@Shear Rate 50.0 1/s,
Temperature 190 °C
1.20e+6 cP

@Shear Rate 50.0 1/s,
Temperature 374 °F
estimated from log-log graph
Melt Flow 0.90 g/10 min

@Load 2.16 kg,
Temperature 190 °C
0.90 g/10 min

@Load 4.76 lb,
Temperature 374 °F
ASTM D1238
Thermal Properties Metric English Comments
Melting Point 88.0 °C
190 °F
Freezing point via DSC/ASTM D3418
99.0 °C
210 °F
Melting point via DSC/ASTM D3418
Vicat Softening Point 82.0 °C
180 °F
ASTM D1525
Processing Properties Metric English Comments
Processing Temperature 235 °C
455 °F
Extruder forward zone and adapter. Degrades above 238°C.
Nozzle Temperature 235 °C
455 °F
Die
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