Coating plays an important role in the metal printing tea tin box. It can be said that without coating, it is difficult to have metal printing. Metal flat printing is not the end goal, but a beautification method for metal packaging products. The purpose is to make all kinds of metal containers, such as iron cans, cosmetic jar boxes, various types of bottle caps, toys, etc. To make the graphics printed on the tinplate bright and eye-catching, the special effect of the paint is inseparable.
Coating is a kind of chemical product made of resin and oil with or without pigment. It is coated on the surface of packaging materials or containers and can be dried into a continuous, uniform and strong thin protective film. All in all, the tea tin box paint is a coating material represented by paint. In order to better meet people’s needs, the production of iron boxes is very important.
The color matching of the tin box packaging mainly allows consumers to perceive the packaging items of the tin box from the packaging color of the tea tin box, and it is clear at a glance. However, there are still many product packaging colors on the market that do not achieve this effect. For example, tea is generally packaged in green, and stimulating colors can attract customers’ attention, such as bright red, and red is used for many wines and cakes. Pink, goose yellow to express a sense of closeness and warmth. Therefore, food packaging generally uses this type of color packaging.