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Cereal Packaging

Application Description


Cereal Package Opens Easily, Thanks to Peelable Seal of DuPont™ Surlyn®

Co-extruded high density polyethylene (HDPE) and Surlyn® is used to create an inner bag with reliable seals to block moisture and preserve crispness of the cereal.
cereal packaging
Benefits Gained
  • Easy opening of inner bag.

  • Product protection and flavor retention.

  • Faster packaging line speeds.
Materials Selected and Why
Co-extruded with HDPE, Surlyn® provides reliable, consistently peelable seals and enables high-speed filling. It does not need to be formulated with other resins to provide a delaminating peel seal. The unidentified sealing material previously used by Kellogg was difficult to open.
Manufacturer
Direct Customer:  Grafo Regia - Monterrey, Mexico
End User:  Kellogg of Mexico – Quertaro, Mexico

Because DuPont cannot anticipate or control the many different conditions under which this information and/or product may be used, it does not guarantee the applicability or the accuracy of this information or the suitability of its products in any given situation. Users of DuPont products should make their own tests to determine the suitability of each such product for their particular purposes. The data listed herein falls within the normal range of product properties but they should not be used to establish specification limits or used alone as the basis of design.

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