The purpose and requirements of the inner coating of the oil tank
The oil tank is a common packaging container. According to the characteristics of the contents, it is usually necessary to apply a certain coating on the inner surface of the container. This part is called the oil or varnish of the oil tank to prevent the content. The object erodes the walls and contents of the tank, which is conducive to long-term storage.
For the oil tank, in order to prevent the post-processing curling, the iron scraps and rusts, it is also necessary to apply a layer of decorative paint to increase the appearance. The performance of the coating in the oil tank is not only resistant to corrosion, good adhesion, flexibility, non-toxic, odorless, and meets food hygiene and safety requirements.
In addition, it is necessary to have the high-temperature resistance welding in the post-process such as high-frequency resistance welding, local high-temperature heating in the internal recoating, and the high-temperature cooking at 121 ° C after the canning without fading and no loss of light. Generally, phenolic resin coating, epoxy-phenolic resin coating, acrylic resin coating and aluminum powder coating are applied, and the inner coating type and coating thickness are generally selected according to the characteristics of the contents.www.huatai-group.com