Modern foldable phones use specialised materials that allow the display to bend thousands of times without breaking.
Many premium foldable devices now use ultra-thin glass (UTG) on the main screen. This material provides a smoother and more premium feel while maintaining flexibility. Manufacturers add protective layers on top to improve durability and reduce scratches. Plastic polymer layers are still important because they protect the glass and help the screen handle repeated folding.
Some entry-level foldable phones rely more heavily on plastic polymers. These materials are lightweight and flexible, but they can scratch more easily than traditional smartphone glass. Both technologies continue to improve as brands focus on making foldable devices more durable and comfortable for everyday use.
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