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Dow Surlyn® 8528 Sodium Ionomer
Categories: Polymer; Thermoplastic; Ionomer

Material Notes: Surlyn® 8528 is a sodium ionomer thermoplastic resin. It is available for use in conventional extrusion and injection equipment, to create various sheets or shapes. Surlyn® 8528 thermoplastic resin is an advanced ethylene/methacrylic acid (E/MAA) copolymer, in which the MAA acid groups have been partially neutralized with sodium ions.

SURLYN® 8528 complies with Food and Drug Administration Regulation 21 CFR 177.1330(a) - - Ionomeric resins, subject to the limitations and requirements therein. This Regulation describes polymers that may be used in contact with food, subject to the finished food-contact article meeting the extractive limitations under the intended conditions of use, as shown in paragraph (c) of the Regulation.

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

Available Properties
  • Density, ASTM D792, ISO 1183
  • Melt Flow, ASTM D1238, ISO 1133
  • Hardness, Shore D, ASTM D2240, ISO 868
  • Abrasive Hardness, NBS Index, ASTM D1630
  • Tensile Strength at Break, ASTM D638, ISO 527-2
  • Elongation at Break, ASTM D638, ISO 527-2
  • Flexural Modulus, ASTM D790
  • Flexural Modulus, ASTM D790
  • Tensile Impact Strength, ASTM D1822
  • Tensile Impact Strength, ASTM D1822
  • Melting Point, ASTM D3418, ISO 3146, Freezing Point
  • Melting Point, ASTM D3418, ISO 3146
  • Vicat Softening Point, ASTM D1525, ISO 306
  • Brittleness Temperature, ASTM D746
  • Haze, ASTM D1003
  • Processing Temperature
  • Melt Temperature
Property Data

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Manufacturer Notes:
Dow Chemical (former DuPont)

Category Notes

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