Dupont film is used for automobile film, which has good heat insulation effect. However, there are many counterfeit DuPont films on the market. Here are some suggestions to tell the truth from the false.

Please click on the input picture to describe the thermal insulation performance of the membrane.

First of all, look at the thermal insulation performance of the membrane. Because DuPont film adopts high-performance polyester film, the car film has good heat insulation performance. There is a big gap between the thermal insulation performance and the fake film garbage film.

2. In addition, the membrane used in DuPont membrane has no peculiar smell, and the general membrane will emit peculiar smell after being used for a period of time. You can smell it by the car. It's the fake film that tastes bad.

3. The other is the transmittance of the membrane. Dupont transmittance is clear and unambiguous, and one-way sight is good. Generally, the films made will be unclear and fuzzy. Even foaming.

4. In addition, it is necessary to pay attention to whether the plastic film used and the film pasted are a kind of film, and some unscrupulous merchants will change the packaging.