The base material of the coated steel sheet can be cold-rolled steel sheet, galvanized steel sheet or other coated steel sheet, and the surface coating material is plastic or resin film. It is reflected in the following points:
1 Wet and water-based are particularly strong. Suitable for wet occasions.
2 Good formability. After cold bending, there will be no paint peeling at the extrusion of the bending roller.
3. Due to the wide variety of plastic films after color printing, the variety of coated steel sheets is unmatched by coated sheets. Therefore, the share of coated steel sheets in interior decoration is also larger than that of coated sheets.
4. The coated steel plate is compounded with plastic film under a certain pressure, the film layer is firm and the bonding strength is high. In addition, the steel plate is used as the base material. Therefore, more and more building exterior wall panels use film-coated steel plates to replace coated plates.
The lamination process is a comprehensive process that depends on many factors, such as plastic film, adhesives, solvents, primer conditions on the substrate surface, mechanical controls, and environmental conditions. To obtain a laminate, it is necessary to control the changes of the above-mentioned factors in the process and coordinate the relationship between them.
The lamination process is an important means of manufacturing film products. At present, the lamination process is mainly used to paste metal plates and plastic films in several ways, such as wet lamination, dry lamination, hot pressing and cold pressing.
