# PE Coextruded (aged) — Galvanic series and surface energy of engineering materials

For PE Coextruded (aged), surface energy (dyne/cm) is 32–38; condition is Migration; needs treatment? is Often, verified against its source on 2026-08-04.

- **Material:** PE Coextruded (aged)
- **Surface energy (dyne/cm):** 32–38
- **Condition:** Migration
- **Needs treatment?:** Often

## What the source says

> PE Coextruded (aged) | 32–38 | Migration | Often | Dyne pens | Surface energy loss over time |

## Source

- https://kolorguide.com/surface-energy-chart-by-material/

Last verified: 2026-08-04. Review by: 2028-08-03.
Part of [Galvanic series and surface energy of engineering materials](https://referencesource.org/process-compatibility-coatings-adhesives-treatments/).