Why is my laminating film not sticking?

If your laminating film isn’t sticking properly, there could be several reasons why this is happening. Here are some common causes and solutions to help you troubleshoot the issue.

Common reasons and solutions for laminating film not sticking

1. Dirty or Dusty Surface

Before applying the laminating film, ensure that the surface of the material you’re laminating is clean and free of any dust, dirt, or oils. Even small particles can prevent the adhesive on the film from bonding correctly.
Solution: Clean the material with a lint-free cloth or microfiber towel to remove any dust or debris before laminating.

2. Incorrect Temperature

Cold laminating film is designed to be applied without heat, but the ambient temperature can still affect how well the adhesive bonds. If the temperature in your workspace is too cold, the adhesive may not activate properly, leading to poor adhesion.
Solution: Ensure the room temperature is within the recommended range for cold laminating (typically around 18–24°C or 64–75°F). If possible, store the laminating film in a warm place before use.

3. Low-Quality Laminating Film

The quality of laminating film can vary. Low-quality films often have weaker adhesives that may not stick as well, especially if the film is old or improperly stored.
Solution: Always use high-quality laminating films from reputable brands(such as Yesion), and check the expiration date or shelf life of the film before use.

4. Moisture or Humidity

Excess moisture or high humidity can cause laminating films to lose their adhesive properties. This is particularly problematic in environments with fluctuating temperatures or humidity levels.
Solution: Ensure your laminating film is stored in a dry, controlled environment and avoid laminating in high-humidity areas.

5. Incorrect Pressure

If you are using a laminating machine, the pressure settings may not be correct for your laminating film. Too little pressure can result in poor adhesion, while too much pressure might cause the film to wrinkle or distort.
Solution: Adjust the pressure settings on your laminating machine to ensure the proper bond. For hand-applied films, ensure you’re applying even pressure when smoothing out the film.

6. Incompatible Film Type

Cold laminating films are designed for specific applications, and some films may not adhere well to certain materials or surfaces. For example, some coated or textured materials may not allow the film to stick effectively.
Solution: Check if the laminating film is suitable for the type of material you’re working with. If you’re using a film meant for glossy surfaces, it may not adhere well to matte or rough surfaces, and vice versa.

7. Film Misalignment

If the laminating film is not aligned properly during the application, it may not stick uniformly across the surface.
Solution: Ensure that the film is applied evenly, without any bubbles or creases, and that the film is aligned correctly with the material you’re laminating.

8. Too Much Adhesive

If the laminating film is too heavily coated with adhesive, it may cause issues with adhesion, especially if the material itself has a shiny or slick surface.
Solution: Try using a different brand or type of cold laminating film with a lighter adhesive coating that is better suited to your specific project.

By addressing these common issues, you should be able to achieve better results with your laminating film.

Related:
What is cold laminating film for?
Types of Cold Laminating Film