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It is a common problem that transparent TPU film becomes foggy after being left for a long time. This can be due to a variety of reasons, such as oxidation, UV exposure, moisture effects, etc. The following will introduce some methods to solve the problem of fogging of transparent TPU film.

1. Replace the sealed bag

When the transparent TPU film is exposed to the air for a long time, it is easily affected by oxidation and becomes foggy. Therefore, it is recommended to store the TPU film in a sealed bag to reduce its contact with air. If fogging has occurred, consider replacing the sealed bag with a new one.

2. Cleaning

There may be dust or other impurities attached to the surface of the transparent TPU film, which will affect its transparency. Therefore, it is recommended to use a clean cloth or cotton swab to clean the surface, taking care not to use any chemicals for cleaning.

3. Reduce UV exposure

When the transparent TPU film is exposed to ultraviolet rays for a long time, it is prone to aging and fogging. Therefore, it is recommended to store the TPU film in a cool, dry place and minimize its exposure to sunlight.

4. Drying treatment

Transparent TPU film is prone to moisture and fogging in humid environments. Therefore, it is recommended to dry it before use. You can place the TPU film in a dry place to dry, or use a hair dryer to dry it.

5. Replace with new TPU film

If none of the above methods can solve the problem of the transparent TPU film becoming foggy, it is recommended to replace it with a new TPU film. When purchasing a new TPU film, you should pay attention to choosing a good quality brand to ensure its transparency and durability.

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