Industry InsightsPublished on April 2, 2025
How to Choose the Right Adhesion Level for Metal Surface Protection
Too little adhesion lets the film lift; too much leaves residue. Here is a practical guide to getting it right.
For metal sheets, plastic parts and glass, acrylic PET protective films typically range from 5 to 1,500 g/in. Low adhesion (5–50 g/in) suits smooth, low-energy surfaces and short-term protection.
Medium adhesion (50–300 g/in) is the workhorse for processing and transport of stainless steel and aluminum profiles. High adhesion (300–1,500 g/in) is reserved for rough or heavy-gauge surfaces and long storage.
Always validate with a sample under your actual conditions — temperature, dwell time and surface finish all shift the effective peel strength and residue behavior.
Source:petprotectivefilm.com
