---
type: lookup
id: polypropylene-pp
asset: process-compatibility-coatings-adhesives-treatments
title: "Polypropylene (PP) — Galvanic series and surface energy of engineering materials"
sources:
  - https://kolorguide.com/surface-energy-chart-by-material/
source_quote: "Polypropylene (PP) | 29–31 | Untreated | Yes | Dyne pens | Requires corona treatment |"
generated: true
verified: false
harvested: 2026-08-04
stale_after: 2028-08-03
material: "Polypropylene (PP)"
surface_energy_dyne_cm: "29–31"
condition: "Untreated"
needs_treatment: "Yes"
---
**Material:** Polypropylene (PP)

**Surface energy (dyne/cm):** 29–31

**Condition:** Untreated

**Needs treatment?:** Yes

> Polypropylene (PP) | 29–31 | Untreated | Yes | Dyne pens | Requires corona treatment |

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