With the gradual maturation of electric heating film in China's market in recent years, more and more users will first consider electric heating film when choosing heating. We also know that no matter what it is, With more customers, some unqualified products will appear in this market, making it difficult for our laymen to identify the quality of things. So how to better distinguish the quality of electric heating film? Today, the electric heating film will give you a detailed introduction on this issue, I hope it can help everyone.
We all know that the most basic thing of electrothermal film is PET film, and large enterprises will choose to use the products of fixed polyester film manufacturers for production or self-production. In order to save costs, some small businesses choose the cheapest PET on the market, so that the quality of even the most basic things cannot be guaranteed. How can it ensure the quality of the electric heating film?
Of course, there are many ways to identify the electric heating film. For example, we can knead the electric heating film into a ball and then heat it for more than five minutes. If the electric heating film cannot bear it, the quality is unqualified. Connect the electric heating film to the wire, make it waterproof, soak it in water for more than 1 hour, and then heat it with electricity. Some low-quality electric heating films can not work properly. High voltage test. The high-performance electric heating film can withstand a high voltage of 3750V. The copper sheet is cut open, then the electric heating film is torn off, and then the printed part is viewed from the reverse side. Because some low-quality electric heating films are not subjected to high temperature treatment, the carbon ink part does not adhere well to the silver mortar, and there is a transparent gap in the middle. These are the causes of unsafe events.
The above is the relevant content introduced by the small series of silicone heating film manufacturers. I hope it will be helpful to everyone.