Graphic overlays
Overlays are a critical component in touchscreens and membrane switches, providing both protection and a surface for graphic printing to create a functional and user-friendly interface. GMN offers the most extensive array of overlay options in the industry, offering selective textures, printing, embossing, coatings, adhesives, deadfronts and backlighting to create a specialized overlay solution.
Graphic overlay material options
The experts at GMN can help you select an overlay material that offers the right protection along with the functionality, durability and custom decoration needed for your design.
| Design details | Polyester | Polycarbonate |
|---|---|---|
| Chemical resistance | broad range | limited |
| Scratch resistance | better | good |
| Actuation life | > 1million | up to 200K |
| Embossability | good | good |
| Ink receptivity | good | good |
| Flexibility | good | better |
| Fold endurance | better | good |
| Pencil hardness | up to 3H | |
| Material thickness | up to .010" (.254mm) | up to .060"(1.52mm) |
| Flammability | UL 94V-2 | |
| Hygroscopic resistance | very good | fair |
| Outdoor UV resistance | contact GMN | contact GMN |