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Dow Surlyn® E185SB Ionomer Resin
Categories: Polymer; Film; Thermoplastic; Ionomer; Ionomer, Film Grade

Material Notes: Surlyn® E185SB is an ionomer of an acid copolymer resin. It is designed for coextrusion with high-density polyethylene in peelable seals applications. It can be used in extrusion equipment designed to typically process polyethylene resins.

Uses:

  • Film
  • Packaging
  • Sealants

Composition: Proprietary Formulation

Surlyn® E185SB can be coextruded with HDPE to provide delamination-type peelable seals. The seal strength can be controlled by processing conditions and/or the thickness of Surlyn® E185SB layer. Thickness is typically in the range of 5 to 15 microns (0.20 to 0.60 mils). Other benefits of Surlyn® E185SB include:

  • Very low seal initiation temperature·
  • Broad sealing temperature range
  • Contains "Slip" and "Antiblock"

Surlyn® E185SB complies with the Food and Drug Administration regulation 21 CFR 175.300 - - ‘Resinous and polymeric coatings’. This regulation describes polymers that may be used as coatings on a metal substrate for packaging, transporting, or holding food, subject to meeting the extractive limitations in the regulation. SURLYN E185SB also complies with FDA regulation 21 CFR 175.320 - - ‘Resinous and polymeric coatings for polyolefin films’, subject to meeting the extractive limitations in the regulation. SURLYN E185SB contains 0.45 wt.% of a slip agent that complies with 21 CFR 175.300(b)(3)(xxv) – ‘Release agents’ and 21 CFR 175.320(b)(3). This slip agent cannot exceed 0.0085 milligram per square centimeter (0.055 milligram per square inch) in the finished food-contact article.

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

Vendors:
Available Properties
  • Density, ASTM D792, ISO 1183
  • Melt Flow, ASTM D1238, ISO 1133
  • Melting Point, ASTM D3418, ISO 3146, Freezing Point
  • Melting Point, ASTM D3418, ISO 3146
  • Vicat Softening Point, ASTM D1525, ISO 306
  • Processing Temperature
  • Feed Temperature, Blown Film Coextrusion
  • Feed Temperature, Cast Film/Sheet Processing
  • Zone 2, Blown Film Coextrusion
  • Zone 2, Cast Film/Sheet Processing
  • Zone 3, Blown Film Coextrusion
  • Zone 3, Cast Film/Sheet Processing
  • Zone 4, Blown Film Coextrusion
  • Zone 4, Cast Film/Sheet Processing
  • Zone 5, Blown Film Coextrusion
  • Zone 5, Cast Film/Sheet Processing
  • Adapter Temperature, Blown Film Coextrusion
  • Adapter Temperature, Cast Film/Sheet Processing
  • Die Temperature, Blown Film Coextrusion
  • Die Temperature, Cast Film/Sheet Processing
  • Melt Temperature, Blown/Cast Film Processing
  • FDA
  
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Manufacturer Notes:
Dow Chemical (former DuPont)

Category Notes
Plastic

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