DuPont™ Surlyn® 1855 Zinc Ionomer Resin for Blown and Cast Film

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DuPont™ Surlyn® 1855 Zinc Ionomer Resin for Blown and Cast Film (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Ionomer; Ionomer, Film Grade
Material Notes:	Surlyn® 1855 is an ionomer resin available for use in conventional blown and cast film extrusion and coextrusion equipment designed to process polyethylene resins. Applications: Meat, poultry, seafood and cheese packaging; Cereal liners; Medical/pharmaceutical packaging; Powdered/granular food and nonfood pouches; Edible oil, motor oil, and other liquid product pouches; Snack structures Data provided by the manufacturer, DuPont Packaging. This product line/trade name was acquired by Dow, but this specific grade was discontinued prior to the acquisition.
Key Words:	Ethylene/Methacrylic Acid (E/MAA) Copolymer
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Physical Properties	Metric	English	Comments

Density	0.940 g/cc	0.0340 lb/in³	Estimated by MatWeb
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

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	350 %	350 %	ASTM D882
Film Elongation at Break, TD	350 %	350 %	ASTM D882
Secant Modulus, MD	0.160 GPa	23.2 ksi	ASTM D882
Secant Modulus, TD	0.0450 GPa	6.53 ksi	ASTM D882
Impact	360	360	Spencer Impact in J/cm; ASTM D3420
Elmendorf Tear Strength, MD	0.700 g/micron	17.8 g/mil
Elmendorf Tear Strength, TD	1.00 g/micron	25.4 g/mil
Dart Drop	13.8 g/micron	351 g/mil	ASTM D1709B
Seal Strength	<= 2800 g/25 mm	<= 2800 g/in	Varies with seal bar temp.
Hot Tack Strength	<= 2600 g/25 mm	<= 2600 g/in	Varies with seal bar temp.; Packforsk Method
Film Tensile Strength at Break, MD	36.5 MPa	5290 psi	ASTM D882
Film Tensile Strength at Break, TD	35.9 MPa	5210 psi	ASTM D882

Thermal Properties	Metric	English	Comments
Melting Point	88.0 °C	190 °F	DSC; ASTM D3418
Vicat Softening Point	62.0 °C	144 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Haze	4.5 %	4.5 %	ASTM D1003
Gloss	45 %	45 %	20°; ASTM D2457

Processing Properties	Metric	English	Comments
Melt Temperature	204 °C	399 °F

**
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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PDU617 / 33094

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