What are the special processes for making tin boxes?

The process of making the iron box can be divided into two categories: one is the printing process of the iron box, and the other is the stamping process of the iron box. Each iron box production stage contains different details. What are the special processes.

Printing process: Iron box printing can be divided into two categories, one is printing, and the other is oiling. The layout of the iron box is mainly printed by offset printing, silk screen, laser, oil injection, white printing, etc., and the printing of the iron box by each method will have different layout effects. Commonly used are offset printing and silk printing, and laser and oil injection are suitable for the production of high-grade iron boxes. In terms of oiling, as the outer packaging iron box, the inner and outer sides of the iron box are usually coated with special transparent oils such as varnish, dumb oil, etc. The purpose is to protect the graphic characters of the printed plate. For some food-grade iron boxes, there will be additional treatment methods. The inner surface needs to be coated with food-grade gold oil to prevent food from contacting the iron box and contaminating the food. In addition to the coating of varnish and dumb oil, the external surface treatment can also choose explosion oil, pearl oil, wrinkle oil, etc.

Stamping process: The stamping process is a beautification of the iron box on the structure of the iron box. Since the tin box is made of tinplate, its excellent ductility and ease of manufacture are the biggest advantages of tin box production. Iron box manufacturers can make various forms of iron boxes and tin cans with the aid of molds. The surface of the iron box can also be embossed or embossed, so that the patterns, characters, and logos have a stereoscopic vision, increasing the appearance design effect of the iron box.