1. Corrosion label: corrosion label is also called etching label. It mainly refers to the embossed or concave signs made by three steps of mask and post-etching treatment.
2. Flat drying label: use the way of photosensitive drying label to dissolve different colors into the adhesive film, so that they can be displayed on the metal plate by developing, so as to achieve the purpose of explanatory significance.
3. Silk screen printing signs: various exquisite color silk screen printing signs can be made by using resin ink, screen printing on the pre-treatment board, and then light preservation, film coating and other processes.
4. Heat transfer label: it is a special panel generated by the surface treatment process of metal plate, and then the color picture you designed is printed on the transfer paper by inkjet printing, and reversed to the metal plate by heating.
5. Powder treatment method: use a flat brush dipped in old powder (double powder) to evenly brush the plate with the cross method, so as to remove the dirty surface or oxygen skin, and then seal it with 5% potassium dichromate aqueous solution.
The above five methods are about the manufacturing methods of metal signs. Understanding the manufacturing methods of metal signs will be helpful for daily use. Metal signs made of different materials have different characteristics, but they also have many similarities, such as beauty and long service life. Therefore, when considering purchasing signs, you may wish to consider the metal signs produced by Lingda sign factory, It will give you unexpected harvest.
