The surface of the product will undergo some chemical treatments to prevent rust, that is, surface treatment. However, not all band heaters need to be surface treated. This needs to be carried out according to the environment and conditions of use, because different working environments The material of the heating coil produced is different.
In order to prevent rust, a lot of chemical treatments are usually used, and the surface of the band heater is copper-plated. This is very common. There are also aluminum treatments, and the heating ring needs to go through multiple processes during the production process. The main function of surface treatment is to ensure the life and safety of the band heater.