High-quality plastic sheet protective films must have uniform and durable adhesion, adhering tightly to the plastic sheet surface without curling at the edges or hollowing in the middle. During normal storage and use, the adhesion should not easily fade or weaken, and when removed, adhesive residue should not remain on the plastic sheet surface, preventing contamination or damage. They should maintain a good adhesion to both flat and slightly curved plastic sheets, ensuring uncompromised protective effectiveness.

This type of protective film must effectively protect against various external factors, such as scratches caused by impurities such as dust and sand, and contamination caused by liquids such as oil and water. It should also act as a cushion against minor impacts and friction, reducing the likelihood of scratches or dents on the plastic sheet. Furthermore, it must exhibit a certain degree of UV resistance to prevent fading and aging from prolonged exposure to sunlight, thus comprehensively protecting the appearance and performance of the plastic sheet.

High-quality plastic sheet protective films maintain stable performance under varying environmental conditions. They will not soften, deform, or exhibit abnormal adhesion due to high temperatures, nor will they become hard and brittle, resulting in a loss of adhesion due to low temperatures. In humid environments, they effectively block moisture, preventing mold and deterioration, and their adhesion is unaffected by moisture. Even in dry or slightly dusty environments, they maintain their original structure and performance, adapting to a variety of usage scenarios.

From cutting to laminating and removal, the entire process should be simple and easy. The protective film material must be flexible and ductile, allowing for easy cutting to the plastic sheet's dimensions without chipping or burring. It should be easy to position during lamination, allowing for simple air removal to prevent air bubbles. The force when tearing off is moderate, no excessive force is required, and it will not break due to the brittle material, which makes it convenient for users to complete the protection operation quickly and improve the user experience.