While the majority of the graphic overlays we print and construct for customers use polycarbonate as the substrate because it is less expensive, there are very specific reasons that you might choose to select a polyester substrate for a graphic overlay as a better alternative. (Some refer to polyester as Mylar, which is a DuPont tradename).
Polyester is a widely used material for graphic overlays due to its’ durable material in terms of ruggedness and fatigue resistance. Polyester is resistant to many external factors like abrasion, chemicals, temperature, and more! These properties make Polyester a great material to be used in harsh environments.
Some applications where polyester graphic overlays shine: